erdahus.dk

📜 Historical scan 2026-09-02 17:03:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erdahus.dk is a .dk domain served by 4 nameservers (ns-1109.awsdns-10.org, ns-1720.awsdns-23.co.uk, ns-490.awsdns-61.com and 1 more). It was registered on 19 July 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

4 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1109.awsdns-10.org	205.251.196.85 2600:9000:5304:5500::1	ns-1109.awsdns-10.org ns-1109.awsdns-10.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1720.awsdns-23.co.uk	205.251.198.184 2600:9000:5306:b800::1	ns-1720.awsdns-23.co.uk ns-1720.awsdns-23.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-490.awsdns-61.com	205.251.193.234 2600:9000:5301:ea00::1	ns-490.awsdns-61.com ns-490.awsdns-61.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-676.awsdns-20.net	205.251.194.164 2600:9000:5302:a400::1	ns-676.awsdns-20.net ns-676.awsdns-20.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	300s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 86ms

TXT Record
google-site-verification=3w-2tdlVKDr3xJbyhOQoDEPAgNtVboeDoib_rJiNLvs

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-09-30 00:16:17

www CNAME	cname.vercel-dns.com (all on vercel-dns.com)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

178ms

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

🏷️ SOA#

8ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1720.awsdns-23.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-12 15:11:50

Field	Value
Registrar	Key-Systems GmbH
Registered	2017-07-19
Expires	2027-07-31 (285d)

🔗 Same registrant#

16 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).

Domain	Registrar
balancebæredygtig.dk	Key-Systems GmbH
bestilpension.dk	Key-Systems GmbH
businesspark.dk	Key-Systems GmbH
danica.dk	Key-Systems GmbH
danicaejendomme.dk	Key-Systems GmbH
danicanetpension.dk	Key-Systems GmbH
danicapension.dk	Key-Systems GmbH
digion.dk	Key-Systems GmbH
flexpension.dk	Key-Systems GmbH
goteborgalle5.dk	Key-Systems GmbH
harbourhouse1.dk	Key-Systems GmbH
lautrupsgade7.dk	Key-Systems GmbH
nordbro.dk	Key-Systems GmbH
sebpensiontildanica.dk	Key-Systems GmbH
sebtildanica.dk	Key-Systems GmbH
sluseholmen.dk	Key-Systems GmbH

📋 WHOIS#

⏱️ Lookup Timing#

25ms

32ms

42ms

AAAA

8ms

TXT

86ms

CAA

31ms

HTTPS

36ms

TLSA

84ms

SOA

8ms

MTA-STS

19ms

DNSSEC

178ms

SRV

0ms

Total

2273ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 00:16:17	3050ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-17 00:18:50	5901ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-02 17:03:45 shown	2273ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-27 14:42:35	3335ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-02 11:58:53	12073ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-27 09:22:18	557ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-24 05:02:41	912ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 01:15:14	1006ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:23:01	20222ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:12:14	1203ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:03:21	375ms	4 NS 1 A 0 MX	⚠️ Bogus
2026-06-17 08:00:16	570ms	4 NS 1 A 0 MX	🔓 Insecure