at.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 12 March 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.182.109.106 is hosted by Statens IT (AS58282) in Denmark. Mail is handled by mx01.statens-it.dk, mx02.statens-it.dk and 6 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns6.sitnet.dk | 107.162.234.197 2604:e180:1071::3:1 |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| ns7.sitnet.dk | 107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.182.109.106 | 3600s | u10flereskalmed.star.dk u10offshore.at.dk |
AS58282 | Statens IT | 194.182.109.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx01.statens-it.dk | 194.182.109.217 | mx01.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx02.statens-it.dk | 194.182.109.218 | mx02.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx03.statens-it.dk | 194.182.109.219 | mx03.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx04.statens-it.dk | 194.182.109.220 | mx04.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx05.statens-it.dk | 194.182.109.221 | mx05.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx06.statens-it.dk | 194.182.109.222 | mx06.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx07.statens-it.dk | 194.182.109.223 | mx07.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx08.statens-it.dk | 194.182.109.224 | mx08.statens-it.dk | AS58282 Statens IT |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.statens-it.dk → 188.64.157.130 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.statens-it.dk |
| _sipfederationtls._tcp | 10 | 10 | 5061 | sip.at.dk |
| TXT Record |
|---|
| MS=734DB13755A2B18331AE589F7694D397A94320DA |
| MS=ms69092883 |
| v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:212.97.129.34 include:_spf.presscloud.com include:o._spf.hostedsepo.dk include:bounce.peytz.dk ~all |
| Policy | Record (at.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:212.97.129.34 include:_spf.presscloud.com include:o._spf.hostedsepo.dk include:bounce.peytz.dk ~all |
| Policy | Record (_dmarc.at.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tcod1eh2@tls.eu.dmarcadvisor.com |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 7-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | s1.domainkey.u3536992.wl243.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u3536992.wl243.sendgrid.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx01.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx01.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx02.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx02.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx03.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx03.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx04.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx04.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx05.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx05.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx06.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx06.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx07.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx07.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx08.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx08.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1276992107 |
| Primary NS (MNAME) | ns6.sitnet.dk |
| Responsible (RNAME) | hostmaster@statens-it.dk.at.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1996-03-12 |
| Expires | 2032-03-31 (1992d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 10:31:56 | 6081ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-14 08:41:34 | 18835ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-13 06:56:37 | 3318ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-12 03:44:22 | 18164ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-11 02:53:50 | 18527ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-10 01:03:43 | 10115ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-08 23:49:53 | 3444ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-08 03:04:33 | 3713ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-07 14:23:23 | 5244ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-06 13:22:05 | 11820ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-05 12:17:38 shown | 19265ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-04 12:00:39 | 18654ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-03 11:59:23 | 18227ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-02 11:58:13 | 5349ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-01 11:52:57 | 5394ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-30 11:51:37 | 3626ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-30 06:16:34 | 17743ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-29 06:07:50 | 1868ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-28 05:39:30 | 17857ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-27 05:24:28 | 17676ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-26 05:12:12 | 1555ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-25 04:50:52 | 17576ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-24 04:13:40 | 432ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 11:10:51 | 17883ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-20 21:56:11 | 10554ms | 2 NS 1 A 8 MX | 🔒 Secure |