thermit.dk is a .dk domain served by 2 nameservers (aragorn.ns.cloudflare.com, lisa.ns.cloudflare.com). It was registered on 2 July 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.135 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by thermit-dk.mail.protection.outlook.com, thermit-dk.mail.eo.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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.91.135 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.220.234 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | thermit.dk → 192.0.78.246 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:5b87 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:dcea | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.135,172.67.220.234 ech=AEX+DQBBSwAgACCSk/fLptpDVrScMv50atMURRrFeG3oxgcPxm8gMXU2JwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:5b87,2606:4700:3037::ac43:dcea |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=zLPJmZvNBtlZrDNsx8q88sJj7vI2EyBSUqu3k4xCbtw |
| v=spf1 a:system.thermit.dk ip4:104.46.40.149 include:spf.protection.outlook.com ~all |
| VHzOOklQVUbzGJu9dK-14bP435R-Fq7yxzzXWRb2R6Q |
| Policy | Record (thermit.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a:system.thermit.dk ip4:104.46.40.149 include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.thermit.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:thermitdmarc@etma.dk; ruf=mailto:thermitdmarc@etma.dk; fo=1; |
| www | 192.0.78.162 192.0.78.246 (AS2635) (address records, no CNAME) |
| www vs bare domain | Different networks thermit.dk: 104.21.91.135 172.67.220.234 2606:4700:3036::6815:5b87 2606:4700:3037::ac43:dcea (AS13335) (all like this)www.thermit.dk: 192.0.78.162 192.0.78.246 (AS2635) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-thermit-dk._domainkey.thermit.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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.thermit.dk | thermit.dk |
| TXT | thermit.dk | VHzOOklQVUbzGJu9dK-14bP435R-Fq7yxzzXWRb2R6Q |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416586454 |
| Primary NS (MNAME) | aragorn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-07-02 |
| Expires | 2027-07-31 (283d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 12:33:57 shown | 1862ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-03 12:32:15 | 1075ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-27 11:02:39 | 1538ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-18 09:50:20 | 1952ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-15 21:06:43 | 2516ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 11:38:06 | 1466ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-07 03:41:34 | 3912ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-18 14:44:20 | 26146ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-17 10:24:16 | 2464ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 03:41:42 | 3050ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:12:42 | 5002ms | 2 NS 2 A 2 MX | 🔓 Insecure |