blok-byg.dk

📜 Historical scan 2026-10-02 19:41:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blok-byg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 5 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.206.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.206.131	3600s	plesk04.grouponline.org	AS48854	team.blue Denmark A/S	46.36.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
10	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	46.36.206.131

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 131ms

TXT Record
v=spf1 a include:spf.curanet.dk include:spf.simply.com -all

✉️ SPF#

Policy	Record (blok-byg.dk)
-all (hard fail)	v=spf1 a include:spf.curanet.dk include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.blok-byg.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-09 02:24:25

www	46.36.206.131 (AS48854) (address records, no CNAME)
www vs bare domain	Same network blok-byg.dk: 46.36.206.131 (AS48854) www.blok-byg.dk: 46.36.206.131 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 20:23:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-06-05
Expires	2027-06-04 (230d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

32ms

50ms

AAAA

50ms

TXT

131ms

CAA

36ms

HTTPS

44ms

TLSA

91ms

SOA

52ms

MTA-STS

57ms

DNSSEC

102ms

SRV

78ms

Total

626ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 02:24:25	408ms	3 NS 1 A 2 MX	🔒 Secure
2026-10-02 19:41:46 shown	626ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-29 19:08:13	599ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-27 06:40:30	533ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-25 18:42:38	488ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-22 19:22:38	970ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:50:49	516ms	3 NS 1 A 2 MX	🔒 Secure