seirup.dk is a .dk domain served by 2 nameservers (ns2.startpunktet.com, ns3.startpunktet.com). It was registered on 29 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.170.201.210 is hosted by ServeTheWorld AS (AS34989) in Norway. Mail is handled by hostmaster.onnet.no. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns2.startpunktet.com | 91.189.179.13 | smtp1.onnet.no | AS34989 ServeTheWorld AS |
| ns3.startpunktet.com | 217.170.202.93 | smtp2.onnet.no | AS34989 ServeTheWorld AS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.170.201.210 | 3600s | hostmaster.onnet.no | AS34989 | ServeTheWorld AS | 217.170.192.0/20 | 🇳🇴 Norway | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | hostmaster.onnet.no | 217.170.201.210 | hostmaster.onnet.no | AS34989 ServeTheWorld AS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 217.170.201.210 |
| 🔶 Autoconfig | 217.170.201.210 |
| TXT Record |
|---|
| v=spf1 a mx ip4:217.170.201.210 ip4:217.170.193.178 ip4:87.254.34.50 ip4:87.254.34.46 include:relay.mailchannels.net ~all |
| Policy | Record (seirup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:217.170.201.210 ip4:217.170.193.178 ip4:87.254.34.50 ip4:87.254.34.46 include:relay.mailchannels.net ~all |
| www | 217.170.201.210 (AS34989) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.seirup.dk | 5PMkzA7PEyEOxJ1GLz3KsNSBDJTh_Ulg6pNRRbcbGtI |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026082801 |
| Primary NS (MNAME) | ns3.startpunktet.com |
| Responsible (RNAME) | help@onnet.no |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-07-29 |
| Expires | 2027-07-31 (281d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 04:45:03 | 1079ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-29 07:55:25 shown | 1892ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 02:12:19 | 1465ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 19:50:41 | 2412ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 04:32:47 | 4074ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-18 04:21:35 | 794ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 04:09:54 | 779ms | 2 NS 1 A 1 MX | ⚠️ Bogus |