seerup.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 14 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by mail.itadrift.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 198.185.159.144 | 3600s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | New York |
| 198.185.159.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | — |
| 198.49.23.144 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| 198.49.23.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 3600s | mail.itadrift.dk | 194.182.40.2 | mail.itadrift.dk | AS42525 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 194.182.40.2 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 ip4:194.182.40.2 ~all |
| Policy | Record (seerup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:194.182.40.2 ~all |
| www CNAME | ext-cust.squarespace.com (all on squarespace.com) |
| www vs bare domain | Same network seerup.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.seerup.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) |
| Wildcard | Yes: any name under the zone resolves |
| 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 |
DNS lookups: 0/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025042300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1999-01-14 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:38:51 | 533ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-29 22:23:41 | 542ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-29 15:23:25 | 1533ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-26 05:01:25 | 1055ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-28 08:49:31 | 698ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-26 15:30:58 | 773ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-27 08:05:59 | 2321ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-27 06:35:18 shown | 742ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-21 20:20:40 | 830ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-18 06:36:55 | 1065ms | 4 NS 4 A 1 MX | 🔒 Secure |