ventzel.dk

📜 Historical scan 2026-09-02 19:10:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ventzel.dk is a .dk domain served by 2 nameservers (aldo.ns.cloudflare.com, christina.ns.cloudflare.com). It was registered on 1 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.20.166 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, publishes a 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 100ms

Nameserver	IP addresses	PTR	ASN / ISP
aldo.ns.cloudflare.com	108.162.195.248 162.159.44.248 172.64.35.248 2606:4700:58::a29f:2cf8 2803:f800:50::6ca2:c3f8 2a06:98c1:50::ac40:23f8	aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com aldo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
christina.ns.cloudflare.com	108.162.194.193 162.159.38.193 172.64.34.193 2606:4700:50::a29f:26c1 2803:f800:50::6ca2:c2c1 2a06:98c1:50::ac40:22c1	christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.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 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.20.166	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.55	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

7 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	172.253.130.26 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b	yulppbn-in-f26.1e100.net le-in-f27.1e100.net le-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 95ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:14a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c137	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 84ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.20.166,172.67.193.55 ech=AEX+DQBBHQAgACCvAepwCBwDePMf6nw+Q6v0qCMEu75snZAZxDH9DcCtIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:14a6,2606:4700:3033::ac43:c137

📝 TXT Records#

2 records 302ms

TXT Record
MS=ms41822839
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (ventzel.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.ventzel.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:admin@ventzel.dk

📬 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 15:19:53

www	104.21.20.166 172.67.193.55 2606:4700:3032::6815:14a6 2606:4700:3033::ac43:c137 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ventzel.dk: 104.21.20.166 172.67.193.55 2606:4700:3032::6815:14a6 2606:4700:3033::ac43:c137 (AS13335) www.ventzel.dk: 104.21.20.166 172.67.193.55 2606:4700:3032::6815:14a6 2606:4700:3033::ac43:c137 (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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ventzel.dk	GcbQ5KtnYJt7EQztpCfMgo3IHJS6w-DbNAaiTujIR9s
TXT	_acme-challenge.ventzel.dk	anQSIbDS_D7QFCL_7Zg87AXNFmk-dfyq7SGtwUG-2EY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9107ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413791637
Primary NS (MNAME)	aldo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 11:55:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-08-01
Expires	2028-09-30 (712d)

📋 WHOIS#

⏱️ Lookup Timing#

100ms

134ms

83ms

AAAA

95ms

TXT

302ms

CAA

68ms

HTTPS

84ms

TLSA

125ms

SOA

0ms

MTA-STS

102ms

DNSSEC

9107ms

SRV

113ms

Total

9830ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 15:19:53	794ms	2 NS 2 A 7 MX	🔒 Secure
2026-10-09 13:23:00	1173ms	2 NS 2 A 7 MX	🔒 Secure
2026-10-08 11:40:26	4374ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-24 06:36:34	814ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-20 19:54:28	1445ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-20 00:48:16	1682ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-12 23:03:32	1595ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-02 19:10:10 shown	9830ms	2 NS 2 A 7 MX	🔒 Secure
2026-08-23 10:44:42	3264ms	2 NS 2 A 7 MX	🔒 Secure
2026-08-10 15:23:16	5071ms	2 NS 2 A 7 MX	🔒 Secure
2026-08-04 02:23:58	10734ms	2 NS 2 A 7 MX	🔒 Secure
2026-07-15 21:17:20	25439ms	2 NS 2 A 7 MX	🔒 Secure
2026-07-07 04:21:15	2499ms	2 NS 2 A 7 MX	🔒 Secure
2026-07-02 01:59:14	1931ms	2 NS 2 A 7 MX	🔒 Secure
2026-06-18 06:50:54	1159ms	2 NS 2 A 7 MX	🔒 Secure