mentor-it.dk is a .dk domain served by 2 nameservers (ns1.hostcenter.dk, ns2.hostcenter.dk). It was registered on 14 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.152.163 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.mentor-it.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.hostcenter.dk | 208.94.148.4 | ns10.dnsmadeeasy.com | AS16552 Tiggee LLC |
| ns2.hostcenter.dk | 208.80.124.4 | ns11.dnsmadeeasy.com | AS16552 Tiggee LLC |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.152.163 | 300s | web3.vjm.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 14400s | mx.mentor-it.dk | 176.62.205.101 176.62.205.102 176.62.205.103 176.62.205.104 |
mx1.mentor-it.dk mx2.mentor-it.dk mx3.mentor-it.dk mx4.mentor-it.dk |
AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=Pb8CU_sm7tFOL0Y26c28K4u22Li1bw9V2OAqan6xD4 |
| _globalsign-domain-verification=PMtPqN7aZSYi3n2L7LOqGEdqtonrFrvYKhV3MZIJGm |
| _globalsign-domain-verification=wA6r9_EOplVAIEeecUoO-WvO9jKSs4or-ryCC93xID |
| atlassian-domain-verification=FLXLs7zEOyJKANMgFQJT79nUcM0S0O5alQIWbQg7pBUsK0qfT1/PXY9Sdtiqfjxg |
| emXogowzAeotz7KlprCEUZwNQuOAZRssgC1GjoDQU5495fw1eVVKpcBXw3Hs6IeCZT+WakxB9Q38QfYdbIRQ6w== |
| globalsign-domain-verification=NnhStvybFGkyAGD3bc5vzCrZDk2czkfL3c2l3-BBqG |
| hapg2chf20p7qbec52trf4gb0j |
| knowbe4-site-verification=db709f35b11f03212b3d3097ed82661e |
| MS=ms21255759 |
| v=spf1 include:_spf81170.spf-protect.com -all |
| vfftp5fk64mbc67f9chu09e3ao |
| Policy | Record (mentor-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf81170.spf-protect.com -all |
| Policy | Record (_dmarc.mentor-it.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:60103bc4cb787@dmarc.centerasecurity.com; |
| www | 93.191.152.163 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u2047543.wl044.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u2047543.wl044.sendgrid.net | RSA · ~1024 bit below 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2009010749 |
| Primary NS (MNAME) | ns20.digicertdns.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-08-14 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|---|---|
| 2026-10-15 12:27:35 shown | 654ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 11:59:53 | 963ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 11:42:10 | 801ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 18:32:11 | 729ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 18:03:51 | 754ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 17:52:39 | 2073ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 17:31:41 | 1379ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 02:10:44 | 1684ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 23:13:10 | 1271ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 23:43:35 | 1511ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 12:16:16 | 1041ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:59:05 | 1288ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 08:14:42 | 2837ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 23:12:20 | 1662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 12:26:25 | 2924ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 20:05:18 | 8793ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 13:14:42 | 1255ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 12:07:32 | 785ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 11:51:32 | 811ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 11:11:15 | 842ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 15:26:04 | 8795ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 15:07:52 | 915ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 23:42:40 | 824ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 01:26:37 | 16647ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 00:49:55 | 1128ms | 2 NS 1 A 1 MX | 🔒 Secure |