petersen-tegl.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 14 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.26.230.130 is hosted by CSC Administrative Services Limited (AS34922) in United Kingdom. Mail is handled by petersentegl-dk02b.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.26.230.130 | 3600s | — | AS34922 | CSC Administrative Services Limited | 185.26.228.0/22 | 🇬🇧 United Kingdom | — |
| 212.237.249.17 | 3600s | splash.dandomain.dk | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | petersen-tegl.azurewebsites.net → 40.113.65.9 |
| TXT Record |
|---|
| _34xoslwooan0hq7juqy6gp397eusicj |
| MS=ms51159148 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (petersen-tegl.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.petersen-tegl.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; ruf=mailto:pstest@petersen-tegl.dk |
| www CNAME | petersen-tegl.azurewebsites.net (all on azurewebsites.net) → 40.113.65.9 (AS8075) |
| www vs bare domain | Different networks petersen-tegl.dk: 185.26.230.130 212.237.249.17 (AS34922 AS48854) (all like this)www.petersen-tegl.dk: 40.113.65.9 (AS8075) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u1823776.wl027.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1823776.wl027.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-petersentegl-dk02b._domainkey.petertegl.n-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-petersentegl-dk02b._domainkey.petertegl.n-v1.dkim.mail.microsoft | RSA · ~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: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.petersen-tegl.dk | petersen-tegl.azurewebsites.net |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062601 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 1997-05-14 |
| Expires | 2027-06-30 (251d) |
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).
| Domain | Registrar |
|---|---|
| kolumba.dk | DANDOMAIN A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:05:53 shown | 1174ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-31 21:35:45 | 3012ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-26 10:02:41 | 3886ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 18:46:55 | 1340ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-20 09:15:38 | 2227ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 15:20:56 | 3815ms | 2 NS 2 A 1 MX | 🔒 Secure |