i-t.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, lia.ns.cloudflare.com). It was registered on 15 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.215 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by it-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.71.215 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.192 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:47d7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:abc0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.71.215,172.67.171.192 ech=AEX+DQBBIAAgACDv5+LOU7wPCIiuIKSJEVR1/Zy6LF+Lf7qoYdDfVjyqLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:47d7,2606:4700:3031::ac43:abc0 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | webmail.i-t.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| ms-domain-verification=7cbcc6e4-c9aa-477b-b923-81da91d7efca |
| MS=ms49523930 |
| sendinblue-code:a04047f07736a3ffb8125c40cb10e5b8 |
| uAh565U93OVVHoG0AAUJKV/dFhfuk7fUrsOaq+hZU9eNJVfYGh+MPvtEJy0ow0dU38NRyDT2O9Jcq3uU4+3QEw== |
| v=spf1 include:servers.mcsv.net include:spf.mailanyone.net include:spf.protection.outlook.com include:emsd1.com include:spf1.i-t.dk ip4:217.198.211.190 ip4:185.40.44.119 ip4:185.40.44.118 ip4:20.82.108.9 ip4:31.31.80.82 ip4:31.31.80.83 ip4:87.62.206.62 -all |
| Policy | Record (i-t.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:servers.mcsv.net include:spf.mailanyone.net include:spf.protection.outlook.com include:emsd1.com include:spf1.i-t.dk ip4:217.198.211.190 ip4:185.40.44.119 ip4:185.40.44.118 ip4:20.82.108.9 ip4:31.31.80.82 ip4:31.31.80.83 ip4:87.62.206.62 -all |
| Policy | Record (_dmarc.i-t.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| www | 104.21.71.215 172.67.171.192 2606:4700:3031::6815:47d7 2606:4700:3031::ac43:abc0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u27714426.wl177.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u27714426.wl177.sendgrid.net | RSA · ~2048 bit |
| selector1 | selector1-it-dk0c._domainkey.investeringogtryghed.onmicrosoft.com | 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: 5/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416095325 |
| Primary NS (MNAME) | ed.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2013-01-15 |
| Expires | 2027-01-31 (103d) |
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 |
|---|---|---|---|
| 2026-10-19 15:42:09 | 3481ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 20:09:14 | 1082ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:56:05 | 866ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 07:41:32 | 728ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 19:31:36 shown | 1877ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 08:57:41 | 1102ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 08:22:16 | 1655ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-16 17:01:31 | 4845ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-10 15:00:14 | 17437ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-24 09:15:37 | 3371ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 05:59:52 | 1816ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-01 20:19:36 | 1511ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 04:59:57 | 1378ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 04:08:59 | 4176ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:25:41 | 1994ms | 2 NS 2 A 1 MX | 🔓 Insecure |