efys.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.39 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by efys-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 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.39 | 3600s | webcluster2.webpod15-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:803b:613:ce6:b67b | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| P-BbTjijAwvs |
| v=spf1 include:spf.protection.outlook.com include:spf.permido.com -all |
| Policy | Record (efys.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.permido.com -all |
| www | 46.30.215.39 2a02:2350:5:10e:803b:613:ce6:b67b (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network efys.dk: 46.30.215.39 2a02:2350:5:10e:803b:613:ce6:b67b (AS51468) www.efys.dk: 46.30.215.39 2a02:2350:5:10e:803b:613:ce6:b67b (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026101501 |
| 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 | 2005-09-01 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-15 06:19:50 shown | 1472ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 04:57:46 | 983ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 03:13:52 | 1052ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 05:51:01 | 4171ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 23:21:06 | 1252ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 22:49:51 | 914ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 11:26:32 | 2636ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 07:41:55 | 7584ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 06:51:38 | 5816ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 06:00:38 | 7252ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 02:22:10 | 3471ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 00:54:33 | 5776ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 22:17:39 | 17160ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:48:21 | 988ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 06:05:35 | 2218ms | 2 NS 1 A 1 MX | 🔒 Secure |