brittaholberg.dk

Records from scan: 2026-10-11 15:15:15 · 4087ms total · last checked 2026-10-17 22:02 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
pola.ns.cloudflare.com	108.162.192.214 172.64.32.214 173.245.58.214 2606:4700:50::adf5:3ad6 2803:f800:50::6ca2:c0d6 2a06:98c1:50::ac40:20d6	pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com pola.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sid.ns.cloudflare.com	108.162.193.143 172.64.33.143 173.245.59.143 2606:4700:58::adf5:3b8f 2803:f800:50::6ca2:c18f 2a06:98c1:50::ac40:218f	sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.163	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.117	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mx1-hosting.jellyfish.systems	162.255.118.28	oxse3a.privateemail.com	AS22612 Namecheap, Inc.
10	300s	mx2-hosting.jellyfish.systems	162.255.118.29	oxse2b.privateemail.com	AS22612 Namecheap, Inc.
20	300s	mx3-hosting.jellyfish.systems	162.255.118.13	mx3-hosting.jellyfish.systems	AS22612 Namecheap, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.38.163
🔶 Autoconfig	172.67.136.117

🔷 AAAA Records (IPv6)#

2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8875	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:26a3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.163,172.67.136.117 ech=AEX+DQBBfwAgACAugonjMZPr5bo7ihXDaO+3VYLj1WTivQK2usyRdz8kJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8875,2606:4700:3036::6815:26a3

🔌 SRV Records#

1 records 57ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 149ms

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#

checked 2026-10-11 15:15:15

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#

111ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2417207713
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 (239d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

37ms

49ms

AAAA

29ms

TXT

149ms

CAA

39ms

HTTPS

31ms

TLSA

1254ms

SOA

39ms

MTA-STS

57ms

DNSSEC

111ms

SRV

57ms

Total

4087ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 15:15:15 shown	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	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