grundtvigcenteret.dk
Last scanned: 2026-08-31 14:34:45  ·  1039ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   112ms
NameserverIP addressesPTRASN / ISP
ns3.au.dk 20.73.178.34 ns3.au.dk AS8075 Microsoft Corporation
ns4.au.dk 185.45.20.154 ns4.au.dk AS62138 Aarhus Universitet
🌍 A Records1 records   96ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.45.20.48 900s — AS62138 Aarhus Universitet 185.45.20.0/22 🇩🇰 Denmark Aarhus
📧 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 Records1 records   300ms
TXT Record
v=spf1 include:spf.au.dk -all
✉️ SPF
PolicyRecord (grundtvigcenteret.dk)
-all (hard fail) v=spf1 include:spf.au.dk -all
📨 DMARC
PolicyRecord (_dmarc.grundtvigcenteret.dk)
p=reject v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC271ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial3366
Primary NS (MNAME)infobloxgm3.au.dk
Responsible (RNAME)auit-dns@au.dk
Refresh10800s
Retry1080s
Expire2419200s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
112ms
A
96ms
MX
112ms
AAAA
91ms
TXT
300ms
CAA
103ms
HTTPS
93ms
TLSA
137ms
SOA
0ms
MTA-STS
163ms
DNSSEC
271ms
SRV
138ms
Total
1039ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 14:34:45 1039ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-30 03:07:39 579ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-28 20:01:25 998ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-27 16:42:21 591ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-26 16:07:41 684ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-24 16:03:01 8525ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-23 04:17:26 3026ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-22 04:12:10 3540ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-21 03:54:51 1828ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-20 02:55:48 571ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-18 23:21:29 3535ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-17 08:20:56 812ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-16 05:51:20 2114ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-14 19:53:26 586ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-13 12:04:26 1677ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-12 09:19:42 1209ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-10 05:32:09 1118ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-06 21:10:23 1025ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-29 22:30:20 9460ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-27 16:46:30 532ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-26 16:29:04 598ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-25 15:57:19 640ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-24 15:24:12 656ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-23 14:49:45 1059ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-22 11:44:46 560ms 2 NS 1 A 0 MX 🔒 Secure View
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