tullin.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.250.103.199 is hosted by Host Europe GmbH (AS8972) in France. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.250.103.199 | 43200s | sejler.nu | AS8972 | Host Europe GmbH | 91.250.96.0/21 | 🇫🇷 France | Strasbourg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.250.103.199 |
| 🔶 Autoconfig | 91.250.103.199 |
| TXT Record |
|---|
| protonmail-verification=cd13c1758129e3169b342e7b3bacf62322b91d5b |
| v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all |
| Policy | Record (tullin.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.tullin.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 85.190.108.15 (AS8648) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2025-01-17 |
| Expires | 2027-01-16 (90d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 16:46:01 | 1200ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 16:36:53 | 450ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 12:33:51 | 751ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 05:31:51 | 728ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 18:06:02 | 619ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 21:28:22 | 839ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-15 23:18:32 | 5217ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-07 18:49:08 | 9181ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 00:35:20 shown | 2844ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 00:15:45 | 1542ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 04:58:20 | 828ms | 2 NS 1 A 2 MX | 🔒 Secure |