staehr-johansen.dk
Last scanned: 2026-08-27 14:29:43  ·  845ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   77ms
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 Records
🌍
No A records found
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s smtp.google.com 142.250.150.26
142.251.1.26
172.253.130.26
172.253.152.26
172.253.152.27
2a00:1450:4010:c1c::1b
2a00:1450:4010:c20::1a
2a00:1450:4010:c22::1a
2a00:1450:4010:c22::1b		 la-in-f26.1e100.net
lb-in-f26.1e100.net
yulppbn-in-f26.1e100.net
yulpptr-in-f26.1e100.net
yulpptr-in-f27.1e100.net
la-in-f27.1e100.net
yulppbn-in-f26.1e100.net
yulpptr-in-f26.1e100.net
yulpptr-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   142ms
TXT Record
v=spf1 include:_spf.google.com include:_spf.smtp.com -all
✉️ SPF
PolicyRecord (staehr-johansen.dk)
-all (hard fail) v=spf1 include:_spf.google.com include:_spf.smtp.com -all
📨 DMARC
PolicyRecord (_dmarc.staehr-johansen.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)
🔐 DNSSEC104ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026030700
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
77ms
A
47ms
MX
55ms
AAAA
55ms
TXT
142ms
CAA
38ms
HTTPS
76ms
TLSA
40ms
SOA
0ms
MTA-STS
86ms
DNSSEC
104ms
SRV
77ms
Total
845ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 14:29:43 845ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-24 09:36:26 937ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-22 02:08:56 931ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 17:48:25 797ms 3 NS 0 A 1 MX 🔒 Secure View
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