dts-cph.dk

📜 Historical scan 2026-08-31 11:23:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dts-cph.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by spamfilter1.decentra.net. The zone is DNSSEC-signed and validates, 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#

2 records 44ms

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#

🌍

No A records found

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1440s	spamfilter1.decentra.net	94.18.239.13	smtp1.spamfilteronline.com	AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	ispapache1.decentra.net → 94.18.239.23
🔶 Autoconfig	ispapache1.decentra.net → 94.18.239.23

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 193ms

TXT Record
v=spf1 include:spf.outlook-online.dk +a:smtp.decentra.net -all

✉️ SPF#

Policy	Record (dts-cph.dk)
-all (hard fail)	v=spf1 include:spf.outlook-online.dk +a:smtp.decentra.net -all

📨 DMARC#

Policy	Record (_dmarc.dts-cph.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@decentra.net; ruf=mailto:reports@decentra.net; fo=1

📬 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 2026-10-11 14:52:55

www CNAME	ispapache1.decentra.net (all on decentra.net) → 94.18.239.23 (AS31027)
www vs bare domain	Only www resolves dts-cph.dk: no address www.dts-cph.dk: 94.18.239.23 (AS31027) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dts-cph.dk	ispapache1.decentra.net

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026050504
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 2026-10-06 03:33:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-03-10
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

48ms

45ms

AAAA

50ms

TXT

193ms

CAA

50ms

HTTPS

32ms

TLSA

66ms

SOA

0ms

MTA-STS

84ms

DNSSEC

92ms

SRV

87ms

Total

771ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 14:52:54	1749ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-06 03:16:18	1952ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 02:32:17	587ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 19:44:02	8494ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-06 14:51:35	1936ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-31 11:23:00 shown	771ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-24 14:45:50	2034ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 04:55:11	483ms	2 NS 0 A 1 MX	🔒 Secure