linkbuilding-seo.dk

📜 Historical scan 2026-06-17 11:51:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linkbuilding-seo.dk is a .dk domain served by 2 nameservers (fish.ns.cloudflare.com, pranab.ns.cloudflare.com). It was registered on 18 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.mahoje.dk. 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 83ms

Nameserver	IP addresses	PTR	ASN / ISP
fish.ns.cloudflare.com	108.162.194.252 162.159.38.252 172.64.34.252 2606:4700:50::a29f:26fc 2803:f800:50::6ca2:c2fc 2a06:98c1:50::ac40:22fc	fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pranab.ns.cloudflare.com	108.162.195.199 162.159.44.199 172.64.35.199 2606:4700:58::a29f:2cc7 2803:f800:50::6ca2:c3c7 2a06:98c1:50::ac40:23c7	pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.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 93ms

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

📧 MX Records#

1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.mahoje.dk	89.167.70.15	mail.mahoje.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

2 records 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:a9ae	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2f0a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 88ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.10,172.67.169.174 ech=AEX+DQBBbAAgACAxx2XvV4JFUCVdgEmdGoqDip2taUNXK2q8lgpoC9YLSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a9ae,2606:4700:3037::6815:2f0a

📝 TXT Records#

2 records 202ms

TXT Record
google-site-verification=3Zk2pm8Cr26url-wls05Ni2Nj2FtqVi3N7Gv7iUcDpI
v=spf1 mx -all

✉️ SPF#

Policy	Record (linkbuilding-seo.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.linkbuilding-seo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@linkbuilding-seo.dk

📬 MTA-STS#

203ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	9698806436038367355
max_age	604800s
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:postmaster@linkbuilding-seo.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 07:03:06

www	104.21.47.10 172.67.169.174 2606:4700:3030::ac43:a9ae 2606:4700:3034::6815:2f0a (AS13335) (address records, no CNAME)
www vs bare domain	Same network linkbuilding-seo.dk: 104.21.47.10 172.67.169.174 2606:4700:3030::ac43:a9ae 2606:4700:3034::6815:2f0a (AS13335) www.linkbuilding-seo.dk: 104.21.47.10 172.67.169.174 2606:4700:3030::ac43:a9ae 2606:4700:3034::6815:2f0a (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

190ms

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

🏷️ SOA#

246ms

Field	Value
Serial	2406662575
Primary NS (MNAME)	fish.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 22:42:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-07-18
Expires	2027-07-17 (268d)

📋 WHOIS#

⏱️ Lookup Timing#

83ms

93ms

68ms

AAAA

78ms

TXT

202ms

CAA

88ms

HTTPS

88ms

TLSA

88ms

SOA

246ms

MTA-STS

203ms

DNSSEC

190ms

SRV

0ms

Total

1184ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 22:41:50	6712ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-03 22:26:47	859ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-02 22:24:38	4716ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-01 22:21:09	1127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 22:08:10	1356ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 21:29:11	880ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 20:11:10	934ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 08:28:46	848ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 13:28:42	2858ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 07:27:22	1451ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 19:23:13	1030ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 11:02:03	1241ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 18:03:48	857ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:51:18 shown	1184ms	2 NS 2 A 1 MX	🔓 Insecure