j2b.dk
Last scanned: 2026-06-25 17:13:47  ·  815ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
NameserverIP addressesPTRASN / ISP
ns1.atznet.dk 195.242.130.110
2001:67c:564:fffb::ffff		 ns1.atznet.dk
—		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.atznet.dk 2a00:1b18:2:3:2::2
62.69.152.36		 ns2.atznet.dk
36.34-46.152.69.62.in-addr.arpa		 AS47527 DLX A/S
AS47527 DLX A/S
🌍 A Records1 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.130.101 3600s web4.atznet.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —
📧 MX Records3 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx4.spamfri.dk 193.200.91.108
2001:67c:564:fffd::4001		 mx4.spamfri.dk
mx4.spamfri.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
20 3600s mx2.spamfri.dk 193.200.91.109
2001:67c:564:fffd::2001		 mx2.spamfri.dk
mx2.spamfri.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
30 3600s mx3.spamfri.dk 2a00:1b18:2:3:fe::2
62.69.152.43
62.69.152.43		 mx3.spamfri.dk
43.34-46.152.69.62.in-addr.arpa
mx3.spamfri.dk		 AS47527 DLX A/S
AS47527 DLX A/S
AS47527 DLX A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.242.130.101
🔶 Autoconfig195.242.130.101
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   71ms
TXT Record
v=spf1 include:_spf.atznet.dk -all
✉️ SPF
PolicyRecord (j2b.dk)
-all (hard fail) v=spf1 include:_spf.atznet.dk -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 / DANE3 records   319ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk DANE-EE · SPKI · SHA-256 4EE743A99328AEF5142706CA5FD3AD61…
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA31ms
FieldValue
Serial2019102906
Primary NS (MNAME)ns1.atznet.dk
Responsible (RNAME)hostmaster@atznet.dk
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)172800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
32ms
A
37ms
MX
38ms
AAAA
31ms
TXT
71ms
CAA
33ms
HTTPS
30ms
TLSA
319ms
SOA
31ms
MTA-STS
37ms
DNSSEC
95ms
SRV
44ms
Total
815ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 17:13:47 815ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-21 13:29:23 1175ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 07:54:16 3061ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-18 07:52:18 3903ms 2 NS 1 A 3 MX 🔒 Secure View
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