3cgroups.dk
📜 Historical scan 2026-06-16 12:49:34  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   330ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com — — —
ns2.eurodns.com — — —
ns3.eurodns.com — — —
ns4.eurodns.com — — —
🌍 A Records1 records   321ms
IPTTLPTRASNISP / OrgCIDRCountryCity
20.105.216.38 — — AS8075 Microsoft Corporation 20.64.0.0/10 🇳🇱 The Netherlands —
📧 MX Records1 records   322ms
PriorityTTLMail ServerIP addressesPTRASN
0 — 3cgroups-dk.mail.protection.outlook.com 52.101.68.3
52.101.68.8
52.101.73.1
52.101.73.15		 mail-db7pr03cu00403.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am9pr04cu00107.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 Records6 records   500ms
TXT Record
_7la4rdjqj2ru9wpmhk5vgvnyyzz6edy
/wFUIguPItCvVi32v7IwSJF87d2nnd4WMNBP4sbGq+EE4eXYGJVfVUrNLzI6+gYij/A45rCDasTzPO9W/cGB+w==
MS=ms79028971
o46VgX/pqlck9hTM5YCG7p1sipyRjYeRIjxa65NfD0k=
v=spf1 ip4:194.182.232.130 include:spf.protection.outlook.com -all
ZCLdXvV+2ytGMB/mLHvAUcQBMoI56jJHRQjq+DOClUc=
✉️ SPF
PolicyRecord (3cgroups.dk)
-all (hard fail) v=spf1 ip4:194.182.232.130 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.3cgroups.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email
📬 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)
🔐 DNSSEC476ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA308ms
FieldValue
Serial2026022520
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
330ms
A
321ms
MX
322ms
AAAA
322ms
TXT
500ms
CAA
344ms
HTTPS
323ms
TLSA
221ms
SOA
308ms
MTA-STS
100ms
DNSSEC
476ms
SRV
0ms
Total
1852ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 19:01:47 1213ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-26 15:42:09 3351ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-16 19:09:53 17254ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-04 04:39:47 1425ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-30 04:59:59 3427ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-12 16:34:05 10700ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-25 19:22:28 882ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:49:34 1852ms 4 NS 1 A 1 MX 🔒 Secure View
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