gbv21.dk

📜 Historical scan 2026-10-02 14:06:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gbv21.dk is a .dk domain served by 2 nameservers (chan.ns.cloudflare.com, nick.ns.cloudflare.com). It was registered on 28 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.252 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.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 107ms

Nameserver	IP addresses	PTR	ASN / ISP
chan.ns.cloudflare.com	108.162.192.82 172.64.32.82 173.245.58.82 2606:4700:50::adf5:3a52 2803:f800:50::6ca2:c052 2a06:98c1:50::ac40:2052	chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nick.ns.cloudflare.com	108.162.193.213 172.64.33.213 173.245.59.213 2606:4700:58::adf5:3bd5 2803:f800:50::6ca2:c1d5 2a06:98c1:50::ac40:21d5	nick.ns.cloudflare.com nick.ns.cloudflare.com nick.ns.cloudflare.com nick.ns.cloudflare.com nick.ns.cloudflare.com nick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.252	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	300s	mx02.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

2 records 91ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:d6bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:17fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 89ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.252,172.67.214.189 ech=AEX+DQBBwwAgACB94MZMaiyo1tlSg6QRYihxVxg8tzDJq+uf+2NO7isrXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:d6bd,2606:4700:3035::6815:17fc

📝 TXT Records#

2 records 319ms

TXT Record
apple-domain=bF65t1o8um8zixsn
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (gbv21.dk)
~all (soft fail)	v=spf1 include:icloud.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 2026-10-08 19:20:21

www	104.21.23.252 172.67.214.189 2606:4700:3034::ac43:d6bd 2606:4700:3035::6815:17fc (AS13335) (address records, no CNAME)
www vs bare domain	Same network gbv21.dk: 104.21.23.252 172.67.214.189 2606:4700:3034::ac43:d6bd 2606:4700:3035::6815:17fc (AS13335) www.gbv21.dk: 104.21.23.252 172.67.214.189 2606:4700:3034::ac43:d6bd 2606:4700:3035::6815:17fc (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

222ms

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

🏷️ SOA#

79ms

Field	Value
Serial	2416248272
Primary NS (MNAME)	chan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 00:01:40

Field	Value
Registrar	ONE.COM A/S
Registered	2023-11-28
Expires	2026-11-27 (39d)

📋 WHOIS#

⏱️ Lookup Timing#

107ms

90ms

111ms

AAAA

91ms

TXT

319ms

CAA

104ms

HTTPS

89ms

TLSA

679ms

SOA

79ms

MTA-STS

142ms

DNSSEC

222ms

SRV

137ms

Total

2109ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 19:20:21	1211ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-02 14:06:57 shown	2109ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 13:45:58	902ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-25 12:52:11	1230ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-15 11:57:37	2427ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 09:36:45	1180ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-22 22:42:53	20133ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-21 22:38:48	3637ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-18 21:13:07	9446ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-16 05:25:17	1522ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-06 23:42:26	2579ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-28 04:23:22	26148ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-04 22:26:35	1441ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-02 16:43:29	1191ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 10:06:35	1187ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-23 16:05:50	942ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 09:32:05	1505ms	2 NS 2 A 2 MX	🔒 Secure