iundsby.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 212.237.249.16 | 3600s | splash.curanet.dk | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.237.249.16 |
| 🔶 Autoconfig | 212.237.249.16 |
| TXT Record |
|---|
| v=spf1 ip4:3.75.105.111 ip4:3.77.162.184 ip4:3.120.101.167 ip4:35.159.187.97 ip4:3.76.148.110 ip4:3.127.91.236 ip4:52.28.240.228 ip4:91.233.64.64 ip4:91.233.64.65 ip4:91.233.64.66 include:spf.protection.outlook.com include:_spf.google.com include:send.heysender.com -all |
| Policy | Record (iundsby.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:3.75.105.111 ip4:3.77.162.184 ip4:3.120.101.167 ip4:35.159.187.97 ip4:3.76.148.110 ip4:3.127.91.236 ip4:52.28.240.228 ip4:91.233.64.64 ip4:91.233.64.65 ip4:91.233.64.66 include:spf.protection.outlook.com include:_spf.google.com include:send.heysender.com -all |
| Policy | Record (_dmarc.iundsby.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc-reports@iundsby.dk; ruf=mailto:dmarc-failures@iundsby.dk; pct=100; sp=none; aspf=r; |
| www | 212.237.249.16 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · 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 | 2025090501 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-03-03 |
| Expires | 2027-03-02 (127d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 18:41:56 shown | 449ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 17:32:50 | 612ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 02:45:09 | 506ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 12:00:26 | 1819ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 03:09:39 | 317ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 22:13:47 | 350ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 05:53:15 | 1096ms | 2 NS 1 A 0 MX | 🔒 Secure |