co-teachingdanmark.dk
📜 Historical scan 2026-06-16 21:53:59  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   171ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
🌍 A Records1 records   160ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.45 — linux191.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records1 records   172ms
PriorityTTLMail ServerIP addressesPTRASN
0 — coteachingdanmark-dk0e.mail.protection.outlook.com 52.101.68.29
52.101.73.16
52.101.73.30
52.101.73.8		 mail-dbapr03cu00105.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-am7pr05cu00306.inbound.protection.outlook.com
mail-am0pr04cu00500.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   310ms
TXT Record
MS=ms78862737
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (co-teachingdanmark.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.co-teachingdanmark.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
📬 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)
🔐 DNSSEC303ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA116ms
FieldValue
Serial2025042300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
171ms
A
160ms
MX
172ms
AAAA
190ms
TXT
310ms
CAA
166ms
HTTPS
185ms
TLSA
357ms
SOA
116ms
MTA-STS
152ms
DNSSEC
303ms
SRV
0ms
Total
1894ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:33:21 1028ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-02 14:56:32 2728ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-25 10:40:44 3257ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-19 05:45:51 1105ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 00:10:08 56620ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 21:53:59 1894ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:30:54 651ms 3 NS 1 A 1 MX 🔒 Secure View
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