sheridan.dk

📜 Historical scan 2026-06-18 07:43:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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 DNSSEC-signed but currently fails validation, 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.

🖥️ Nameservers#

3 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.wordpress.com	198.181.116.9 2a04:fa87:ffff::c6b5:7409	ns1.wordpress.com ns1.wordpress.com	AS2635 Automattic, Inc AS2635 Automattic, Inc
ns2.wordpress.com	198.181.117.9 2a04:fa87:ffff::c6b5:7509	ns2.wordpress.com ns2.wordpress.com	AS2635 Automattic, Inc AS2635 Automattic, Inc
ns3.wordpress.com	192.0.74.9 2620:115:c00f::c000:4a09	ns3.wordpress.com ns3.wordpress.com	AS2635 Automattic, Inc AS2635 Automattic, Inc

🌍 A Records#

2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.0.78.24	—	—	AS2635	Automattic, Inc	192.0.64.0/18	🇺🇸 United States	San Francisco
192.0.78.25	—	—	AS2635	Automattic, Inc	192.0.64.0/18	🇺🇸 United States	San Francisco

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	sheridan-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.0 52.101.68.27 52.101.68.5 52.101.73.2	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.179.232
🔶 Autoconfig	sheridan.dk → 192.0.78.25

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 2031ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 249ms

TXT Record
MS=ms51330524
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sheridan.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 05:34:58

www CNAME	sheridan.dk (all on sheridan.dk) → 192.0.78.24 192.0.78.25 (AS2635)
www vs bare domain	Same network sheridan.dk: 192.0.78.24 192.0.78.25 (AS2635) www.sheridan.dk: 192.0.78.24 192.0.78.25 (AS2635)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

109ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'sheridan.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

31ms

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

📋 Registration#

WHOIS fetched 2026-10-10 23:38:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-10-31
Expires	2026-12-31 (64d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

AAAA

50ms

TXT

249ms

CAA

36ms

HTTPS

31ms

TLSA

96ms

SOA

31ms

MTA-STS

77ms

DNSSEC

109ms

SRV

2031ms

Total

2888ms

🕐 Scan History#

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	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 shown	2888ms	3 NS 2 A 1 MX	⚠️ Bogus