grobshulen.dk
Last scanned: 2026-08-27 11:13:49  ·  647ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
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
🌍 A Records1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.104.80.138 43200s mail.grobshulen.dk AS204274 AURA Fiber A/S 87.104.64.0/18 🇩🇰 Denmark Hørning
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.grobshulen.dk 87.104.80.138 mail.grobshulen.dk AS204274 AURA Fiber A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovergrobshulen.dk → 87.104.80.138
🔶 Autoconfiggrobshulen.dk → 87.104.80.138
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   202ms
TXT Record
google-site-verification=taGpUT2CFU-wQGpYERkAQ3-DRJbBakDy3SSv2F5bhqY
v=spf1 mx:grobshulen.dk -all
✉️ SPF
PolicyRecord (grobshulen.dk)
-all (hard fail) v=spf1 mx:grobshulen.dk -all
📨 DMARC
PolicyRecord (_dmarc.grobshulen.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:sune@grobshulen.dk
📬 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
CNAME _acme-challenge.grobshulen.dk grobshulen.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
50ms
MX
53ms
AAAA
61ms
TXT
202ms
CAA
29ms
HTTPS
55ms
TLSA
58ms
SOA
0ms
MTA-STS
64ms
DNSSEC
82ms
SRV
69ms
Total
647ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:13:49 647ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 20:32:57 631ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 05:32:13 602ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-24 02:04:38 5041ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 15:04:16 1384ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 23:34:32 1797ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 13:55:56 622ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 01:31:57 699ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-17 09:17:40 1417ms 2 NS 1 A 1 MX 🔒 Secure View
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