sblabs.dk
Last scanned: 2026-08-30 18:27:30  ·  673ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
ns1.dlx.dk 2a00:1b18:1337:1337::53
46.30.121.210		 ns1.dlx.dk
ns1.dlx.dk		 AS47527 DLX A/S
AS47527 DLX A/S
ns2.dlx.dk 185.208.212.124
2a00:1b19:1337:1337::53		 ns2.dlx.dk
ns2.dlx.dk		 AS47527 DLX A/S
AS47527 DLX A/S
🌍 A Records
🌍
No A records found
📧 MX Records2 records   24ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s in1-smtp.messagingengine.com 103.168.172.216
103.168.172.217
103.168.172.218
103.168.172.219
103.168.172.220
103.168.172.221
103.168.172.222
103.168.172.223		 phl-mx-01.messagingengine.com
phl-mx-02.messagingengine.com
phl-mx-03.messagingengine.com
phl-mx-04.messagingengine.com
phl-mx-05.messagingengine.com
phl-mx-06.messagingengine.com
phl-mx-07.messagingengine.com
phl-mx-08.messagingengine.com		 AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
20 600s in2-smtp.messagingengine.com 202.12.124.216
202.12.124.217
202.12.124.218
202.12.124.219		 stl-mx-01.messagingengine.com
stl-mx-02.messagingengine.com
stl-mx-03.messagingengine.com
stl-mx-04.messagingengine.com		 AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
AS151847 Fastmail Pty Ltd
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   77ms
TXT Record
v=spf1 include:spf.messagingengine.com ?all
✉️ SPF
PolicyRecord (sblabs.dk)
?all (neutral) v=spf1 include:spf.messagingengine.com ?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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026082111
Primary NS (MNAME)ns1.dlx.dk
Responsible (RNAME)ks@dlx.dk
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
21ms
MX
24ms
AAAA
23ms
TXT
77ms
CAA
18ms
HTTPS
17ms
TLSA
236ms
SOA
0ms
MTA-STS
29ms
DNSSEC
85ms
SRV
31ms
Total
673ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 18:27:30 673ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-29 15:54:12 1248ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-28 00:40:28 735ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-24 01:48:22 1760ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-21 20:20:41 3220ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-20 20:02:30 10177ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-14 04:46:17 1704ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-11 03:36:30 6913ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-09 21:16:30 1541ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-06 22:30:33 1420ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-01 06:44:14 1926ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-30 17:39:22 2226ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-22 13:39:34 2557ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-18 19:47:13 668ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-17 18:36:11 975ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-16 01:46:36 523ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-14 22:53:13 756ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-10 20:50:53 799ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-08 10:23:43 661ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-03 00:44:12 2390ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-27 06:58:39 414ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-25 16:55:48 397ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-18 00:24:55 565ms 2 NS 0 A 0 MX 🔒 Secure View
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