blueblau.dk

📜 Historical scan 2026-06-16 15:15:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blueblau.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, 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 355ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 384ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.252	—	linux4.unoeuro.com	AS48854	—	—	—	—

📧 MX Records#

7 records 426ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	aspmx.l.google.com	142.251.9.27	rc-in-f27.1e100.net	AS15169 Google LLC
20	—	alt1.aspmx.l.google.com	192.178.211.26	lcbomp-in-f26.1e100.net	AS15169 Google LLC
20	—	alt2.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
30	—	aspmx2.googlemail.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
30	—	aspmx3.googlemail.com	108.177.125.27	tp-in-f27.1e100.net	AS15169 Google LLC
30	—	aspmx4.googlemail.com	108.177.125.26	tp-in-f26.1e100.net	AS15169 Google LLC
30	—	aspmx5.googlemail.com	192.178.230.26	yunrtab-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-13 10:27:57

www	94.231.108.252 (AS48854) (address records, no CNAME)
www vs bare domain	Same network blueblau.dk: 94.231.108.252 (AS48854) www.blueblau.dk: 94.231.108.252 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

588ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

401ms

Field	Value
Serial	2023110803
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

355ms

384ms

426ms

AAAA

405ms

TXT

726ms

CAA

364ms

HTTPS

385ms

TLSA

579ms

SOA

401ms

MTA-STS

422ms

DNSSEC

588ms

SRV

0ms

Total

3970ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:27:57	997ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-03 01:28:52	668ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-02 10:00:40	545ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-01 04:22:40	808ms	4 NS 1 A 7 MX	🔒 Secure
2026-09-30 04:18:08	672ms	4 NS 1 A 7 MX	🔒 Secure
2026-08-24 14:26:09	2089ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-16 15:15:45 shown	3970ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-16 15:07:40	2385ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-16 15:03:36	529ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-16 15:01:04	1026ms	4 NS 1 A 7 MX	🔒 Secure