bigbangnaturfag.dk
Last scanned: 2026-08-26 23:18:28  ·  752ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   52ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
ns1.nbi.dk 130.225.212.46 ns1.nbi.dk AS1835 IDDQD-AS
ns2.nbi.dk 130.225.212.55 ns2.nbi.dk AS1835 IDDQD-AS
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.225.212.5 14400s — AS1835 IDDQD-AS 130.225.0.0/16 🇩🇰 Denmark —
📧 MX Records1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s mx2.nbi.dk 130.225.213.194 mx2.nbi.dk AS1835 IDDQD-AS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   228ms
TXT Record
BigBang Naturfag
v=spf1 -all
✉️ SPF
PolicyRecord (bigbangnaturfag.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.bigbangnaturfag.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.bigbangnaturfag.dk E6uAE5tALSiBJWR2vDT8ucJemNm-epV6dPmXpTt7qfI
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC139ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026062901
Primary NS (MNAME)ns1.nbi.dk
Responsible (RNAME)hostmaster@nbi.dk
Refresh7200s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
51ms
MX
50ms
AAAA
68ms
TXT
228ms
CAA
58ms
HTTPS
58ms
TLSA
58ms
SOA
0ms
MTA-STS
100ms
DNSSEC
139ms
SRV
98ms
Total
752ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 23:18:28 752ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-13 13:14:27 13806ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-30 17:34:18 693ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 03:34:51 621ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 03:50:48 541ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 14:29:03 679ms 4 NS 1 A 1 MX 🔓 Insecure View
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