muj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.231.35.217 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 3.231.35.217 | 3600s | ec2-3-231-35-217.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 3.224.0.0/12 | 🇺🇸 United States | Ashburn |
| TXT Record |
|---|
| apple-domain=660j8xvsKwhXQ9hq |
| v=spf1 redirect=icloud.com |
| Policy | Record (muj.dk) |
|---|---|
| redirect=icloud.com | v=spf1 redirect=icloud.com |
| www CNAME | target.substack-custom-domains.com (all on substack-custom-domains.com) |
| www vs bare domain | Different networks muj.dk: 3.231.35.217 (AS14618) (all like this)www.muj.dk: 104.18.36.24 172.64.151.232 2606:4700:4401::6812:2418 2606:4700:4406::ac40:97e8 (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · 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 | 2026090801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 09:50:12 | 631ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 07:00:06 shown | 565ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 21:55:17 | 748ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 16:51:31 | 850ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-30 12:06:17 | 686ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 23:53:38 | 775ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 10:15:01 | 1321ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-11 13:35:28 | 1129ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 14:49:42 | 5475ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 21:57:18 | 1027ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-22 02:21:04 | 958ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:12:40 | 969ms | 2 NS 0 A 2 MX | ⚠️ Bogus |