systemmail.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.62.252.235	600s	—	AS14061	DigitalOcean, LLC	178.62.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records7 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lr-in-f27.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	178.62.252.235
🔶 Autoconfig	178.62.252.235

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 195ms

TXT Record
v=spf1 a mx include:spf.mtasv.net include:_spf.google.com ~all

✉️ SPF

Policy	Record (systemmail.dk)
~all (soft fail)	v=spf1 a mx include:spf.mtasv.net include:_spf.google.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)

🔐 DNSSEC63ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA32ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

33ms

MX

34ms

AAAA

31ms

TXT

195ms

CAA

32ms

HTTPS

36ms

TLSA

144ms

SOA

32ms

MTA-STS

46ms

DNSSEC

63ms

SRV

52ms

Total

867ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:55:45	1417ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-27 23:02:57	867ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-22 23:14:07	1127ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-22 22:10:19	1059ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 10:32:06	12755ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 17:01:59	5040ms	2 NS 1 A 7 MX	🔒 Secure	View