gribskov-skole.dk
Last scanned: 2026-09-03 17:03:01  ·  2126ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   60ms
NameserverIP addressesPTRASN / ISP
ns1.c-system.dk 49.12.60.90 ns1.c-system.dk AS24940 Hetzner Online GmbH
ns2.c-system.dk 49.12.60.94 ns2.c-system.dk AS24940 Hetzner Online GmbH
ns3.c-system.dk 130.162.220.97 — AS31898 Oracle Corporation
🌍 A Records1 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.60.91 38400s npm.c-system.dk AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany —
📧 MX Records1 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
0 38400s gribskovskole-dk02b.mail.protection.outlook.com 2a01:111:f403:ca04::8
2a01:111:f403:ca04::9
2a01:111:f403:ca09::3
2a01:111:f403:ca48::a
52.101.68.15
52.101.68.18
52.101.68.32
52.101.68.36		 mail-db5pr02cu00100.inbound.protection.outlook.com
mail-db7pr03cu00601.inbound.protection.outlook.com
mail-am6pr04cu00303.inbound.protection.outlook.com
mail-miypr02cu00202.inbound.protection.outlook.com
mail-db6pr03cu00107.inbound.protection.outlook.com
mail-db4pr02cu00302.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   113ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   320ms
TXT Record
MS=ms90948647
v=spf1 a mx a:mailgw1.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com include:dedicated.mysmtp.com -all
✉️ SPF
PolicyRecord (gribskov-skole.dk)
-all (hard fail) v=spf1 a mx a:mailgw1.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com include:dedicated.mysmtp.com -all
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC96ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1595509887
Primary NS (MNAME)ns1.c-system.dk
Responsible (RNAME)hostmaster@c-system.dk
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)38400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
58ms
MX
56ms
AAAA
55ms
TXT
320ms
CAA
45ms
HTTPS
52ms
TLSA
765ms
SOA
0ms
MTA-STS
91ms
DNSSEC
96ms
SRV
113ms
Total
2126ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 17:03:01 2126ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 10:46:25 962ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 10:43:04 1529ms 3 NS 1 A 1 MX 🔓 Insecure View
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