dennisbusk.dk

📜 Historical scan 2026-06-19 22:49:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dennisbusk.dk is a .dk domain served by 2 nameservers (maxine.ns.cloudflare.com, rodney.ns.cloudflare.com). It was registered on 30 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.250 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 2 more. The zone is not DNSSEC-signed, 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 59ms

Nameserver	IP addresses	PTR	ASN / ISP
maxine.ns.cloudflare.com	108.162.194.179 162.159.38.179 172.64.34.179 2606:4700:50::a29f:26b3 2803:f800:50::6ca2:c2b3 2a06:98c1:50::ac40:22b3	maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rodney.ns.cloudflare.com	108.162.193.228 172.64.33.228 173.245.59.228 2606:4700:58::adf5:3be4 2803:f800:50::6ca2:c1e4 2a06:98c1:50::ac40:21e4	rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.ns.cloudflare.com rodney.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 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.250	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.145	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 64.233.161.26	lu-in-f27.1e100.net lu-in-x1b.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.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
5	300s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 87ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:28fa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9e91	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 83ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.250,172.67.158.145 ech=AEX+DQBBxQAgACDyYg1i/e0zUqcV9OWielLTCYkxwkA9aXhsLt+HvVibBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:28fa,2606:4700:3036::ac43:9e91

📝 TXT Records#

2 records 236ms

TXT Record
google-site-verification=1rTZfTmOrh0V98IypZB0B2Oh1hf6z40wmBU-VrdJmDA
v=spf1 ip4:157.90.67.40 include:spf.azehosting.net ip4:49.12.83.57 +a +mx +ip4:185.221.37.139 +ip4:88.99.206.78 +ip4:185.121.172.165 +ip4:5.9.50.234 +ip4:78.46.234.148 +include:relay.mailchannels.net +include:mailgun.org -all

✉️ SPF#

Policy	Record (dennisbusk.dk)
-all (hard fail)	v=spf1 ip4:157.90.67.40 include:spf.azehosting.net ip4:49.12.83.57 +a +mx +ip4:185.221.37.139 +ip4:88.99.206.78 +ip4:185.121.172.165 +ip4:5.9.50.234 +ip4:78.46.234.148 +include:relay.mailchannels.net +include:mailgun.org -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 2026-10-16 22:06:02

www	104.21.40.250 172.67.158.145 2606:4700:3035::6815:28fa 2606:4700:3037::ac43:9e91 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dennisbusk.dk: 104.21.40.250 172.67.158.145 2606:4700:3035::6815:28fa 2606:4700:3037::ac43:9e91 (AS13335) www.dennisbusk.dk: 104.21.40.250 172.67.158.145 2606:4700:3035::6815:28fa 2606:4700:3037::ac43:9e91 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dennisbusk.dk	UY8h714fOBRAvCrxLiLa8WlHnLh_8HVOx0X_isMMZB4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

158ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

72ms

Field	Value
Serial	2406510143
Primary NS (MNAME)	maxine.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 13:24:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-12-30
Expires	2026-12-31 (67d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

59ms

76ms

57ms

AAAA

87ms

TXT

236ms

CAA

96ms

HTTPS

83ms

TLSA

2054ms

SOA

72ms

MTA-STS

90ms

DNSSEC

158ms

SRV

274ms

Total

3031ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 00:02:58	620ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-29 23:06:50	1341ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 21:03:03	1714ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 19:05:32	875ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-10 08:11:27	1443ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 22:49:11 shown	3031ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 02:47:27	52024ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 02:20:30	2216ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 02:08:48	519ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 02:00:33	756ms	2 NS 2 A 5 MX	🔓 Insecure