seido-systems.dk DNS records

🖥️ Nameservers3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.combell.eu	2a00:1c98:50::50 89.44.166.48	— 89.44.166.48.static.hosted.by.combell-ops.net	AS34762 Combell NV AS34762 Combell NV
ns3.combell.net	2a00:1c98::53:1 83.217.73.172	ns3.combell.net ns3.combell.net	AS34762 Combell NV AS34762 Combell NV
ns4.combell.net	2001:1598:0:101::3 86.39.202.67	ns4.combell.net ns4.combell.net	AS28747 Easyhost BVBA AS28747 Easyhost BVBA

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.21.190.139	3600s	217.21.190.139.static.hosted.by.combell.com	AS34762	Combell NV	217.21.176.0/20	🇧🇪 Belgium	—

📧 MX Records2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.mailprotect.be	178.208.39.140 178.208.39.141 178.208.39.142 178.208.39.143	mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be	AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV
50	3600s	mx.backup.mailprotect.be	178.208.39.140 178.208.39.141 178.208.39.142 178.208.39.143	mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be	AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mailprotect.be → 83.217.77.175
🔶 Autoconfig	autoconfig.mailprotect.be → 83.217.77.175

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 126ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	autodiscover-s.mailprotect.be
_imaps._tcp	1	1	993	imap.mailprotect.be

📝 TXT Records1 records 270ms

TXT Record
v=spf1 mx a include:_spf.relay.mailprotect.be ~all

✉️ SPF

Policy	Record (seido-systems.dk)
~all (soft fail)	v=spf1 mx a include:_spf.relay.mailprotect.be ~all

📨 DMARC

Policy	Record (_dmarc.seido-systems.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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)

🔐 DNSSEC74ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	1759303306
Primary NS (MNAME)	ns1.combell.eu
Responsible (RNAME)	hostmaster@seido-systems.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	40000s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

45ms

MX

43ms

AAAA

44ms

TXT

270ms

CAA

44ms

HTTPS

45ms

TLSA

383ms

SOA

0ms

MTA-STS

73ms

DNSSEC

74ms

SRV

126ms

Total

1717ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-05 06:17:01	1717ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-28 13:03:41	986ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 11:59:56	665ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 11:31:09	2683ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 11:28:13	747ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 11:04:13	9731ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 10:14:09	579ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 04:09:57	611ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 01:47:44	601ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 15:07:42	560ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 13:39:35	589ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 11:30:05	820ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 10:38:11	2693ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-14 08:32:36	8529ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-08 14:21:46	8678ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-07 08:54:38	1426ms	1 NS 0 A 0 MX	❓ Unknown	View