ventzel.dk

📜 Historical scan 2026-10-09 13:23:00 · ← 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 34ms

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 32ms

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 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 74.125.131.27	lh-in-x1b.1e100.net lh-in-f27.1e100.net lu-in-f27.1e100.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	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.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	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.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 32ms

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 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBiAAgACDiCwefp2qlCZI1528quffFxIGgo3TJG1z79gXnmyfYGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

2 records 174ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416912877
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 (711d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

32ms

51ms

AAAA

32ms

TXT

174ms

CAA

32ms

HTTPS

35ms

TLSA

123ms

SOA

45ms

MTA-STS

58ms

DNSSEC

126ms

SRV

80ms

Total

1173ms

🕐 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 shown	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	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