tehran.dk

📜 Historical scan 2026-09-19 21:49:04 · ← 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. Its website address 185.75.20.16 is hosted by UK Dedicated Servers Limited (AS42831) in United Kingdom. Mail is handled by mx.vps46808.mylogin.co. The zone is of unknown DNSSEC status, publishes a 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 176ms

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#

1 records 168ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.75.20.16	1800s	mx.vps46808.mylogin.co	AS42831	UK Dedicated Servers Limited	185.75.20.0/23	🇬🇧 United Kingdom	—

📧 MX Records#

1 records 168ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	mx.vps46808.mylogin.co	185.75.20.16	mx.vps46808.mylogin.co	AS42831 UK Dedicated Servers Limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	198.23.53.75

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 276ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	1	443	autodiscover.cloudlogin.co

📝 TXT Records#

1 records 553ms

TXT Record
v=spf1 include:spf.supremebox.com mx -all

✉️ SPF#

Policy	Record (tehran.dk)
-all (hard fail)	v=spf1 include:spf.supremebox.com mx -all

📨 DMARC#

Policy	Record (_dmarc.tehran.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2071ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✗ Not found
Flags	resolution failed: insecurity proof failed

🏷️ SOA#

0ms

Field	Value
Serial	1697024581
Primary NS (MNAME)	dns1.supremedns.com
Responsible (RNAME)	root@vps46808.mylogin.co
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 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#

176ms

168ms

AAAA

259ms

TXT

553ms

CAA

188ms

HTTPS

177ms

TLSA

630ms

SOA

0ms

MTA-STS

186ms

DNSSEC

2071ms

SRV

276ms

Total

4091ms

🕐 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	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