erx.dk
Last scanned: 2026-06-25 10:41:33  ·  2998ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   254ms
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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   224ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.183.1.79 3600s 188-183-1-79-dynamic.dk.customer.tdc.net AS3292 TDC Holding A/S 188.176.0.0/13 🇩🇰 Denmark Tølløse
📧 MX Records2 records   466ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.forwardemail.net 121.127.44.56
138.197.213.185
2604:a880:2:d0::306:1
2a02:6ea0:d71e::2		 mx1.forwardemail.net
mx1.forwardemail.net
mx1.forwardemail.net
mx1.forwardemail.net		 AS60068 Datacamp Limited
AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
AS60068 Datacamp Limited
20 3600s mx2.forwardemail.net 104.248.224.170
121.127.44.59
2604:a880:400:d1::cd:9001
2a02:6ea0:d71e::1		 mx2.forwardemail.net
mx2.forwardemail.net
mx2.forwardemail.net
mx2.forwardemail.net		 AS14061 DigitalOcean, LLC
AS60068 Datacamp Limited
AS14061 DigitalOcean, LLC
AS60068 Datacamp Limited
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   652ms
TXT Record
forward-email=er:for@erro.dk
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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 / DANE2 records   246ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.forwardemail.net DANE-EE · SPKI · SHA-256 5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net DANE-EE · SPKI · SHA-256 5E81DA1AF16DF20B13E667AD6D9C2B65…
🔐 DNSSEC573ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA279ms
FieldValue
Serial2022022201
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
254ms
A
224ms
MX
466ms
AAAA
257ms
TXT
652ms
CAA
239ms
HTTPS
248ms
TLSA
246ms
SOA
279ms
MTA-STS
250ms
DNSSEC
573ms
SRV
446ms
Total
2998ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 10:41:33 2998ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-22 21:16:13 834ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-17 08:15:44 900ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-17 08:15:16 1242ms 4 NS 1 A 2 MX 🔒 Secure View
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