celfon.dk

📜 Historical scan 2026-06-21 19:16:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celfon.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.72.39.4 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by celfon-dk.mail.protection.outlook.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 151ms

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 173ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.72.39.4	43200s	—	AS3292	TDC Holding A/S	185.72.36.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 145ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	celfon-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 52.101.73.11 52.101.73.15 52.101.73.30 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.242.248
🔶 Autoconfig	185.72.39.4

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 149ms

TXT Record
MS=ms19541046
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (celfon.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-11 15:32:07

www	94.231.107.70 (AS48854) (address records, no CNAME)
www vs bare domain	Same network celfon.dk: 94.231.107.70 (AS48854) www.celfon.dk: 94.231.107.70 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-celfon-dk._domainkey.celfon.w-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-celfon-dk._domainkey.celfon.w-v1.dkim.mail.microsoft	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

219ms

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

🏷️ SOA#

161ms

Field	Value
Serial	2026060503
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 2026-10-13 12:04:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-10-29
Expires	2026-10-31 (13d)

🔗 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
blaavandshukfyrcam.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

151ms

173ms

145ms

AAAA

167ms

TXT

149ms

CAA

153ms

HTTPS

136ms

TLSA

312ms

SOA

161ms

MTA-STS

153ms

DNSSEC

219ms

SRV

902ms

Total

1668ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 01:18:16	745ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 06:26:36	1135ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 16:22:18	743ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:27:43	1539ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:50:40	1009ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 19:16:15 shown	1668ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 19:08:46	1191ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:52:58	2605ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:15:36	1984ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:14:18	13630ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:05:39	1709ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:01:23	1386ms	2 NS 1 A 1 MX	🔒 Secure