dennisjakobsen.dk

📜 Historical scan 2026-09-22 21:57:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dennisjakobsen.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, fred.ns.cloudflare.com). It was registered on 30 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.63.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
cloe.ns.cloudflare.com	108.162.192.86 172.64.32.86 173.245.58.86 2606:4700:50::adf5:3a56 2803:f800:50::6ca2:c056 2a06:98c1:50::ac40:2056	cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
fred.ns.cloudflare.com	108.162.193.113 172.64.33.113 173.245.59.113 2606:4700:58::adf5:3b71 2803:f800:50::6ca2:c171 2a06:98c1:50::ac40:2171	fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.63.251	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.173.177	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. 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 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. 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 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:3ffb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:adb1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.63.251,172.67.173.177 ech=AEX+DQBBYgAgACAC5p6ULegA+UdBgLplJqGFjcLCkLyWCN6wydgWlzqGVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:3ffb,2606:4700:3037::ac43:adb1

📝 TXT Records#

2 records 188ms

TXT Record
apple-domain=zwTWITHuSYbSMb8O
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (dennisjakobsen.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 2026-10-24 11:53:45

www	NXDOMAIN
www vs bare domain	www does not resolve dennisjakobsen.dk: 104.21.63.251 172.67.173.177 2606:4700:3035::6815:3ffb 2606:4700:3037::ac43:adb1 (AS13335) www.dennisjakobsen.dk: no address (all like this)
Wildcard	No

🔎 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#

2058ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415164817
Primary NS (MNAME)	cloe.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 12:28:25

Field	Value
Registrar	Simply.com A/S
Registered	2017-12-30
Expires	2026-12-31 (65d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

45ms

AAAA

50ms

TXT

188ms

CAA

47ms

HTTPS

40ms

TLSA

84ms

SOA

0ms

MTA-STS

71ms

DNSSEC

2058ms

SRV

62ms

Total

2626ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 11:53:45	938ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-22 18:55:19	3197ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-09 14:18:05	661ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-08 01:56:56	531ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-28 05:53:34	1301ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-22 21:57:42 shown	2626ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-21 00:37:57	1621ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-13 21:47:23	1056ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-29 21:14:11	2187ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-23 21:50:49	1679ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 16:56:37	1126ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 18:13:49	1196ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 02:59:56	65535ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 02:16:39	3229ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 02:05:18	793ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 02:00:48	2924ms	2 NS 2 A 2 MX	🔓 Insecure