celt.dk

📜 Historical scan 2026-06-16 21:58:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.148.7 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by mx.runbox.com. The zone is DNSSEC-signed and validates, 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#

2 records 2630ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 549ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.148.7	—	172-104-148-7.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.104.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 2576ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.runbox.com	185.226.149.25	aibo.runbox.com	AS50304 Blix Solutions AS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 3743ms

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

✉️ SPF#

Policy	Record (celt.dk)
-all (hard fail)	v=spf1 include:spf.runbox.com -all

📨 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 2026-10-10 22:21:13

www	172.104.148.7 (AS63949) (address records, no CNAME)
www vs bare domain	Same network celt.dk: 172.104.148.7 (AS63949) www.celt.dk: 172.104.148.7 (AS63949)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

5712ms

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

🏷️ SOA#

1627ms

Field	Value
Serial	2026061001
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 22:54:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-06
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

2630ms

549ms

2576ms

AAAA

1301ms

TXT

3743ms

CAA

3129ms

HTTPS

567ms

TLSA

8415ms

SOA

1627ms

MTA-STS

2730ms

DNSSEC

5712ms

SRV

0ms

Total

50836ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 22:21:13	1117ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 14:50:50	2562ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 18:48:27	651ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 04:44:04	782ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 19:03:11	3295ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 08:02:11	16741ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 06:18:08	853ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 12:36:17	906ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 12:29:26	666ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:58:37 shown	50836ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:12:01	1563ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:01:46	640ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:01:03	563ms	2 NS 1 A 1 MX	🔒 Secure