costenco.dk

📜 Historical scan 2026-10-10 11:49:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

costenco.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.109 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by send.one.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 1154ms

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 1130ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.109	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 785ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	send.one.com	2a02:2350:5:20e::1 2a02:2350:5:20e::2 46.30.211.140 46.30.211.141	send.one.com send.one.com send.one.com send.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records 1077ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:806a:2bfc:579c:4a06	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 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 2026-10-13 19:02:38

www	46.30.215.109 2a02:2350:5:111:806a:2bfc:579c:4a06 (AS51468) (address records, no CNAME)
www vs bare domain	Same network costenco.dk: 46.30.215.109 2a02:2350:5:111:806a:2bfc:579c:4a06 (AS51468) www.costenco.dk: 46.30.215.109 2a02:2350:5:111:806a:2bfc:579c:4a06 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1302ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2026101001
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 2026-10-10 11:58:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-07-24
Expires	2027-07-23 (274d)

📋 WHOIS#

⏱️ Lookup Timing#

1154ms

1130ms

785ms

AAAA

1077ms

TXT

1393ms

CAA

1158ms

HTTPS

1160ms

TLSA

313ms

SOA

43ms

MTA-STS

1201ms

DNSSEC

1302ms

SRV

1180ms

Total

2627ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 19:02:38	1134ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 11:49:51 shown	2627ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 08:27:28	426ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 15:34:51	484ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 20:41:00	846ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 01:24:49	932ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 11:07:53	8885ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 07:56:22	4957ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 12:30:56	1554ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 18:42:53	1740ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:53:49	2269ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:36:16	597ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:35:20	575ms	2 NS 1 A 1 MX	🔒 Secure