tehran.dk

📜 Historical scan 2026-10-08 18:24:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tehran.dk is a .dk domain served by 4 nameservers (dns1.supremedns.com, dns2.supremedns.com, dns3.supremedns.com and 1 more). It was registered on 23 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

4 records 191ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.supremedns.com	162.210.102.140	dns1.supremedns.com	AS14555 LiquidNet US LLC
dns2.supremedns.com	198.23.56.4	dns2.supremedns.com	AS14555 LiquidNet US LLC
dns3.supremedns.com	94.136.171.52	dns3.supremedns.com	AS42831 UK Dedicated Servers Limited
dns4.supremedns.com	185.196.102.2	dns4.supremedns.com	AS49282 Glesys AB

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-18 19:49:10

www	185.75.20.16 (AS42831) (address records, no CNAME)
www vs bare domain	Same network tehran.dk: 185.75.20.16 (AS42831) www.tehran.dk: 185.75.20.16 (AS42831)
Wildcard	No
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

353ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-12 14:54:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-23
Expires	2027-02-28 (130d)

📋 WHOIS#

⏱️ Lookup Timing#

191ms

193ms

158ms

AAAA

147ms

TXT

646ms

CAA

176ms

HTTPS

143ms

TLSA

89ms

SOA

146ms

MTA-STS

324ms

DNSSEC

353ms

SRV

254ms

Total

4156ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 19:49:10	2391ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-17 19:08:47	4079ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-16 18:44:10	3395ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-15 16:19:30	3855ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-14 14:39:22	2308ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-13 14:13:17	3959ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-12 13:44:13	2432ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-11 13:21:10	3469ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-10 12:26:57	3531ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-09 10:33:14	1722ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-08 18:24:56 shown	4156ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-07 18:08:51	2737ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-07 12:39:45	4446ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-06 02:17:27	3245ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-05 02:15:10	2258ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-04 02:13:08	2944ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-10-02 02:08:12	2243ms	4 NS 1 A 1 MX	❓ Unknown
2026-10-01 01:58:16	2808ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-30 01:50:21	845ms	4 NS 1 A 1 MX	❓ Unknown
2026-09-29 20:30:13	6665ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-28 20:15:30	3209ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-27 20:09:35	3048ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-26 19:48:42	3590ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-25 19:33:46	3368ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-24 19:22:15	2681ms	4 NS 0 A 0 MX	⚠️ Bogus