sefibo.dk
Last scanned: 2026-06-26 13:54:24  ·  1356ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   190ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   235ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.150.1.1 3600s — AS16509 Amazon.com, Inc. 216.150.1.0/24 🇺🇸 United States —
📧 MX Records1 records   208ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.mymangomail.com 54.176.194.88 smtp.mymangomail.com AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.mymangomail.com → 54.176.194.88
🔶 Autoconfigautoconfig.mymangomail.com → 54.176.194.88
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   420ms
TXT Record
google-site-verification=8GSDyoPQ-02Vxur_edZB8mPZzVNUtjEYzgHZ8c4-11M
mail-host-verify=a51da42
v=spf1 include:spf.mymangomail.com -all
✉️ SPF
PolicyRecord (sefibo.dk)
-all (hard fail) v=spf1 include:spf.mymangomail.com -all
📨 DMARC
PolicyRecord (_dmarc.sefibo.dk)
p=quarantine v=DMARC1; p=quarantine;
📬 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)
🔐 DNSSEC375ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA233ms
FieldValue
Serial2026040905
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
190ms
A
235ms
MX
208ms
AAAA
238ms
TXT
420ms
CAA
229ms
HTTPS
239ms
TLSA
300ms
SOA
233ms
MTA-STS
272ms
DNSSEC
375ms
SRV
308ms
Total
1356ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 13:54:24 1356ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:56:43 1644ms 3 NS 1 A 1 MX 🔒 Secure View
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