sheridan.dk is a .dk domain served by 3 nameservers (ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com). It was registered on 31 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.0.78.24 is hosted by Automattic, Inc (AS2635) in United States. Mail is handled by sheridan-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 192.0.78.24 | 300s | — | AS2635 | Automattic, Inc | 192.0.64.0/18 | 🇺🇸 United States | San Francisco |
| 192.0.78.25 | 300s | — | AS2635 | Automattic, Inc | 192.0.64.0/18 | 🇺🇸 United States | San Francisco |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | sheridan.dk → 192.0.78.25 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms51330524 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (sheridan.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | sheridan.dk (all on sheridan.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sheridan.dk | sheridan.dk |
| 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 | 2005071858 |
| Primary NS (MNAME) | ns1.wordpress.com |
| Responsible (RNAME) | hostmaster@wordpress.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-10-31 |
| Expires | 2026-12-31 (64d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:34:58 | 1362ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:45:12 shown | 1495ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 08:13:05 | 1476ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 00:47:37 | 922ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:43:26 | 2888ms | 3 NS 2 A 1 MX | ⚠️ Bogus |