netnod.dk is a .dk domain served by 4 nameservers (nna.netnod.se, nnb.netnod.se, nnp.netnod.se and 1 more). It was registered on 29 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.72.228.163 is hosted by Netnod AB (AS8674) in Sweden. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.72.228.163 | 7200s | — | AS8674 | Netnod AB | 77.72.224.0/21 | 🇸🇪 Sweden | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:3f0:0:a::163 | 7200s | — | AS8674 | Netnod AB | 2a01:3f0:0:0:0:0:0:0/32 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| Contact information for this domain is found at https://www.netnod.se. |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:ops@netnod.se |
| 0 | issue | letsencrypt.org |
| 0 | issuewild | ; |
| www | 77.72.228.163 2a01:3f0:0:a::163 (AS8674) (address records, no CNAME) |
| www vs bare domain | Same network netnod.dk: 77.72.228.163 2a01:3f0:0:a::163 (AS8674) www.netnod.dk: 77.72.228.163 2a01:3f0:0:a::163 (AS8674) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.netnod.dk | netnod.dk.challenge.netnod.se |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1788998402 |
| Primary NS (MNAME) | nna.netnod.se |
| Responsible (RNAME) | noc@netnod.se |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | Name SRS AB |
| Registered | 2016-07-29 |
| Expires | 2027-07-31 (287d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 19:51:27 | 474ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-14 18:03:45 | 2018ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 16:36:34 | 2425ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 12:51:32 | 566ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 10:51:14 | 759ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 10:15:09 | 1601ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 05:59:27 | 1856ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 05:41:20 | 1674ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 05:28:58 | 1607ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 05:27:22 | 690ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 05:19:15 | 1287ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 15:23:51 | 1583ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 15:19:24 | 2031ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 00:36:37 | 831ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 00:05:23 | 1039ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 23:42:36 | 848ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-22 19:34:28 | 2120ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-22 19:18:59 | 967ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-15 16:25:05 | 4289ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 00:20:17 shown | 1929ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-10 04:44:32 | 1808ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-07 15:44:46 | 3434ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-31 14:18:58 | 2078ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 14:02:11 | 2803ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 23:12:37 | 1643ms | 4 NS 1 A 0 MX | 🔒 Secure |