brittaholberg.dk

📜 Historical scan 2026-06-16 17:10:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

brittaholberg.dk is a .dk domain served by 2 nameservers (pola.ns.cloudflare.com, sid.ns.cloudflare.com). It was registered on 15 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.163 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and 1 more. The zone is not DNSSEC-signed, 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
pola.ns.cloudflare.com	—	—	—
sid.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.163	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.117	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	—	mx1-hosting.jellyfish.systems	162.255.118.28	oxse3a.privateemail.com	AS22612 Namecheap, Inc.
10	—	mx2-hosting.jellyfish.systems	162.255.118.29	oxse2b.privateemail.com	AS22612 Namecheap, Inc.
20	—	mx3-hosting.jellyfish.systems	162.255.118.13	mx3-hosting.jellyfish.systems	AS22612 Namecheap, Inc.

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:26a3	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:8875	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.163,172.67.136.117 ech=AEX+DQBB6gAgACBAk7biNGguDhfElDNDlBhA4bndbZdx+H8iOS6FUr6nJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:26a3,2606:4700:3032::ac43:8875

📝 TXT Records#

1 records 99ms

TXT Record
v=spf1 +a +mx +ip4:66.29.132.73 include:spf.web-hosting.com ~all

✉️ SPF#

Policy	Record (brittaholberg.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:66.29.132.73 include:spf.web-hosting.com ~all

📨 DMARC#

Policy	Record (_dmarc.brittaholberg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-22 17:29:26

www	104.21.38.163 172.67.136.117 2606:4700:3033::ac43:8875 2606:4700:3036::6815:26a3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network brittaholberg.dk: 104.21.38.163 172.67.136.117 2606:4700:3033::ac43:8875 2606:4700:3036::6815:26a3 (AS13335) www.brittaholberg.dk: 104.21.38.163 172.67.136.117 2606:4700:3033::ac43:8875 2606:4700:3036::6815:26a3 (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: 9/10 · policy: ~all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

25ms

Field	Value
Serial	2403856228
Primary NS (MNAME)	pola.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

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

Field	Value
Registrar	Realtime Register B.V.
Registered	2025-06-15
Expires	2027-06-14 (234d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

55ms

31ms

AAAA

33ms

TXT

99ms

CAA

35ms

HTTPS

32ms

TLSA

44ms

SOA

25ms

MTA-STS

35ms

DNSSEC

52ms

SRV

0ms

Total

427ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 17:29:26	2501ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-11 15:15:15	4087ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-18 01:11:57	1343ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-04 12:10:54	4967ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-23 04:19:44	8241ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-13 03:24:25	7416ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-02 13:05:58	3079ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-20 19:20:47	2835ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 17:11:41	2285ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 17:10:11 shown	427ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 17:10:08	4501ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 17:00:29	2879ms	2 NS 2 A 3 MX	🔓 Insecure