nilssonborresen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 February 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.125 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by nilssonborresen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.125 | 3600s | webcluster2.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 46.30.215.125 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:80e9:8547:c9bd:bd92 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| ca3-051b8e1476044b1592e4356dee4283fd |
| ca3-b8326b4c359b4378acf46687f6ba2207 |
| MS=ms28007980 |
| v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.134.42 -all |
| Policy | Record (nilssonborresen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.134.42 -all |
| www | 46.30.215.125 2a02:2350:5:111:80e9:8547:c9bd:bd92 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network nilssonborresen.dk: 46.30.215.125 2a02:2350:5:111:80e9:8547:c9bd:bd92 (AS51468) www.nilssonborresen.dk: 46.30.215.125 2a02:2350:5:111:80e9:8547:c9bd:bd92 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · 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 | 2026081905 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2013-02-07 |
| Expires | 2027-02-28 (129d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 18:29:44 | 2580ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 22:27:37 shown | 887ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 13:10:08 | 2741ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 04:08:37 | 6431ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 09:33:00 | 1580ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 09:42:56 | 970ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 13:57:45 | 960ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:33:53 | 1130ms | 2 NS 1 A 1 MX | 🔒 Secure |