cf-gulve.dk

📜 Historical scan 2026-06-16 20:10:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cf-gulve.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 25 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.164.182 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by cfgulve-dk0e.mail.protection.outlook.com. 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#

3 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	—	—	—
ns5.dns-123.net	—	—	—
ns6.dns-123.net	—	—	—

🌍 A Records#

1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.182	—	server7182.serverpark.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cfgulve-dk0e.mail.protection.outlook.com	52.101.68.0 52.101.73.1 52.101.73.2 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 251ms

TXT Record
v=spf1 a mx include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cf-gulve.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cf-gulve.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 04:37:06

www	5.186.164.182 (AS44869) (address records, no CNAME)
www vs bare domain	Same network cf-gulve.dk: 5.186.164.182 (AS44869) www.cf-gulve.dk: 5.186.164.182 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-cfgulve-dk0e._domainkey.cfgulve.onmicrosoft.com	RSA · ~1024 bit below 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2016102588
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 15:49:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-10-25
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

73ms

76ms

87ms

AAAA

110ms

TXT

251ms

CAA

66ms

HTTPS

75ms

TLSA

163ms

SOA

66ms

MTA-STS

66ms

DNSSEC

207ms

SRV

0ms

Total

766ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:12:42	1108ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:35:05	1121ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-04 17:18:06	9897ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 10:07:34	2415ms	3 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 20:10:45 shown	766ms	3 NS 1 A 1 MX	🔒 Secure