UDP traffic
Datagrams matching proto:dns sent to HoneyLabs sensors over UDP in the last 7 days. DNS questions and QUIC client fingerprints are decoded on the sensor. Other datagrams are kept as their first bytes and labelled by protocol where it can be recognised.
A UDP source address can be forged, so each address listed here either sent the traffic or was impersonated by whoever did. UDP traffic is kept out of verdicts, feeds, watchlists and alerts.
902
Datagrams
330
Source addresses
52
Networks
24
Countries
55
Destination ports
Traffic by type
Service queries
902 datagrams from 330 sourcesRequests a service answers without a handshake. Scanners send them to find open DNS, NTP, SNMP or SSDP servers, which are also the servers reflection attacks abuse.
Latest DNS datagram, to 53/udp
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
Amplification checks
Probes for services that answer a small request with a much larger reply, the property reflection attacks rely on.
| Service | Port | Datagrams | Sources | Factor |
|---|---|---|---|---|
| DNS | 53/udp +3 | 760 | 253 | 28 to 54 |
| mDNS | 5353/udp | 132 | 90 | 2 to 10 |
| NetBIOS | 139/udp +3 | 10 | 4 | 3.8 |
The factor is how many bytes a reachable server can send back for each byte it receives, as published by CISA in alert TA14-017A.
Destination ports
DNS questions
DNS record types
Networks
- AS396982 Google LLC from 105 sources212
- AS16509 Amazon.com, Inc. from 6 sources72
- AS398324 Censys, Inc. from 27 sources67
- AS6939 Hurricane Electric LLC from 42 sources45
- AS215925 Vpsvault.host Ltd from 4 sources42
- AS51396 Pfcloud UG (haftungsbeschrankt) from 5 sources40
- AS12876 Scaleway SAS from 3 sources38
- AS219502 Storm Industries LLC from 2 sources30
- AS216014 BestDC Limited from 1 source26
- AS209630 LLC Vash Kredit Bank from 1 source24
Countries
Source addresses (unverified)
| Address | Network | Cc | Sends | Datagrams | Last seen (UTC) |
|---|---|---|---|---|---|
| 45.135.193.115 | AS51396 Pfcloud UG (haftungsbeschrankt) | DE | DNS | 27 | 2026-10-11 02:15 |
| 193.47.62.187 | AS216014 BestDC Limited | BG | DNS | 26 | 2026-10-07 11:10 |
| 151.243.11.230 | AS209630 LLC Vash Kredit Bank | AE | DNS | 24 | 2026-10-09 20:04 |
| 18.226.68.29 | AS16509 Amazon.com, Inc. | US | DNS | 23 | 2026-10-06 13:13 |
| 94.154.43.109 | AS219502 Storm Industries LLC | NL | DNS | 22 | 2026-10-09 08:45 |
| 51.158.205.203 | AS12876 Scaleway SAS | NL | DNS | 20 | 2026-10-11 00:48 |
| 185.73.23.133 | AS29484 Ruhr-Universitaet Bochum | DE | DNS | 20 | 2026-10-10 09:32 |
| 45.205.1.231 | AS215925 Vpsvault.host Ltd | BR | DNS | 20 | 2026-10-11 01:20 |
| 141.98.11.129 | AS209605 UAB Host Baltic | LT | DNS | 19 | 2026-10-10 06:23 |
| 66.132.172.249 | AS398324 Censys, Inc. | US | DNS | 18 | 2026-10-10 19:14 |
| 62.210.142.176 | AS12876 Scaleway SAS | FR | DNS | 17 | 2026-10-10 16:28 |
| 216.180.246.230 | AS396982 Google LLC | US | DNS | 17 | 2026-10-07 11:04 |
| 216.180.246.141 | AS396982 Google LLC | US | DNS | 17 | 2026-10-10 11:12 |
| 216.180.246.225 | AS396982 Google LLC | US | DNS | 17 | 2026-10-07 11:15 |
| 216.180.246.217 | AS396982 Google LLC | US | DNS | 17 | 2026-10-07 16:46 |
| 216.180.246.101 | AS396982 Google LLC | US | DNS | 17 | 2026-10-10 11:02 |
| 141.98.83.48 | AS209588 Flyservers S.A. | PA | DNS | 16 | 2026-10-10 05:46 |
| 45.198.224.251 | AS215925 Vpsvault.host Ltd | US | DNS | 15 | 2026-10-10 00:25 |
| 16.5.0.234 | AS401661 EMBNEX, LLC | BR | DNS | 15 | 2026-10-05 19:11 |
| 185.94.111.1 | AS51115 HLL LLC | RU | DNS | 15 | 2026-10-10 18:34 |
Latest datagrams
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
Payload bytes withheld: they contain the sensor's address.
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
Payload bytes withheld: they contain the sensor's address.
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
payload bytes
00000000 70 9a 01 00 00 01 00 00 00 00 00 01 02 69 70 09 |p............ip.| 00000010 70 61 72 72 6f 74 64 6e 73 03 63 6f 6d 00 00 01 |parrotdns.com...| 00000020 00 01 00 00 29 02 00 00 00 80 00 00 00 |....)........|
payload bytes
00000000 00 00 00 00 00 01 00 00 00 00 00 00 09 5f 73 65 |............._se| 00000010 72 76 69 63 65 73 07 5f 64 6e 73 2d 73 64 04 5f |rvices._dns-sd._| 00000020 75 64 70 05 6c 6f 63 61 6c 00 00 0c 00 01 |udp.local.....|
payload bytes
00000000 12 71 01 00 00 01 00 00 00 00 00 01 05 64 68 69 |.q...........dhi| 00000010 74 63 03 63 6f 6d 00 00 ff 00 01 00 00 29 ff ff |tc.com.......)..| 00000020 00 00 00 00 00 00 |......|
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 53 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |SION.BIND.....|
payload bytes
00000000 34 ef 01 00 00 01 00 00 00 00 00 00 07 56 45 52 |4............VER| 00000010 51 49 4f 4e 04 42 49 4e 44 00 00 10 00 03 |QION.BIND.....|
payload bytes
00000000 fa ce 01 00 00 01 00 00 00 00 00 00 07 64 6e 73 |.............dns| 00000010 73 63 61 6e 0c 73 68 61 64 6f 77 73 65 72 76 65 |scan.shadowserve| 00000020 72 03 6f 72 67 00 00 01 00 01 |r.org.....|
payload bytes
00000000 70 9a 01 00 00 01 00 00 00 00 00 01 02 69 70 09 |p............ip.| 00000010 70 61 72 72 6f 74 64 6e 73 03 63 6f 6d 00 00 01 |parrotdns.com...| 00000020 00 01 00 00 29 02 00 00 00 80 00 00 00 |....)........|
payload bytes
00000000 00 00 00 00 00 01 00 00 00 00 00 00 09 5f 73 65 |............._se| 00000010 72 76 69 63 65 73 07 5f 64 6e 73 2d 73 64 04 5f |rvices._dns-sd._| 00000020 75 64 70 05 6c 6f 63 61 6c 00 00 0c 00 01 |udp.local.....|