nsfv.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.156 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by nsfv-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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.156 | 3600s | webcluster29.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:e2:b047:e27:2aeb | 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 |
|---|
| v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com include:_custspf.one.com -all |
| Policy | Record (nsfv.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com include:_custspf.one.com -all |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · 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 | 2026092301 |
| 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 | 2009-12-28 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 07:33:12 | 954ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 21:52:32 shown | 853ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:21:30 | 1185ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 04:00:21 | 1054ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 00:17:46 | 869ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 19:03:18 | 1808ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 03:10:39 | 1277ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 17:11:31 | 1917ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 12:03:50 | 3653ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 09:10:37 | 1683ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 04:33:40 | 816ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 06:29:52 | 1674ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:27:31 | 2472ms | 2 NS 1 A 1 MX | 🔒 Secure |