sredna.dk

Records from scan: 2026-10-12 00:08:13 · 422ms total · last checked 2026-10-20 12:01 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sredna.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.162.211.114 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.sredna.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.162.211.114	600s	80-162-211-114-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	80.160.0.0/13	🇩🇰 Denmark	Store Heddinge

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.sredna.dk	2.104.54.179	2-104-54-179-cable.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	sredna.dk → 80.162.211.114
🔶 Autoconfig	sredna.dk → 80.162.211.114

🔷 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#

checked 2026-10-12 00:08:13

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks sredna.dk: 80.162.211.114 (AS3292) www.sredna.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sredna.dk	sredna.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

33ms

Field	Value
Serial	2026101101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 00:34:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-10-24
Expires	2027-10-31 (375d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
xwise.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

35ms

AAAA

33ms

TXT

136ms

CAA

33ms

HTTPS

42ms

TLSA

57ms

SOA

33ms

MTA-STS

33ms

DNSSEC

57ms

SRV

54ms

Total

422ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 00:08:13 shown	422ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 01:22:54	674ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 04:10:35	764ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 13:21:44	4874ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 17:52:41	2773ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 14:37:07	712ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 00:47:31	4856ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 22:39:57	728ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 02:32:47	8923ms	2 NS 1 A 1 MX	🔒 Secure