madssteffensen.dk is a .dk domain served by 2 nameservers (ben.ns.cloudflare.com, daisy.ns.cloudflare.com). It was registered on 6 June 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by madssteffensen-dk.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 |
|---|---|---|---|---|---|---|---|
| 216.150.1.1 | 300s | — | AS16509 | Amazon.com, Inc. | 216.150.1.0/24 | 🇺🇸 United States | — |
| 216.150.16.1 | 300s | — | AS16509 | Amazon.com, Inc. | 216.150.16.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| google-site-verification=yrJqVXuwIp6FlYiF8C6DfKaV-XENvWchjvzt2VA9SZQ |
| MS=ms49291812 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (madssteffensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.madssteffensen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:0284b45e465044ad940e94b95af20307@dmarc-reports.cloudflare.net |
| www CNAME | cf10ad12ee4064ad.vercel-dns-016.com (all on vercel-dns-016.com) |
| www vs bare domain | Same network madssteffensen.dk: 216.150.1.193 216.150.16.193 (AS16509) www.madssteffensen.dk: 216.150.1.129 216.150.16.129 (AS16509) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-madssteffensen-dk._domainkey.madssteffensen.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-madssteffensen-dk._domainkey.madssteffensen.onmicrosoft.com | 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416694555 |
| Primary NS (MNAME) | ben.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 | 2017-06-06 |
| Expires | 2027-06-30 (252d) |
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 |
|---|---|
| madsogaholdet.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 20:21:55 shown | 1107ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 19:59:19 | 1165ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-20 19:35:48 | 3258ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-14 13:17:59 | 1905ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-05 08:44:06 | 10035ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-19 08:26:14 | 10314ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-08 00:29:33 | 2140ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-26 02:36:31 | 2068ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-18 17:00:15 | 1541ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-03 15:52:51 | 2917ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-28 00:04:05 | 1267ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 01:46:54 | 1618ms | 2 NS 2 A 1 MX | 🔒 Secure |