systek.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 Records

🌍

No A records found

📧 MX Records5 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c1e::1a 64.233.163.27	lb-in-f26.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 172ms

TXT Record
google-site-verification=P5u6SjR913gCzfj6PoO5ElBUS_hgc3zLVOnBDimFLos

✉️ 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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC89ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

47ms

MX

46ms

AAAA

72ms

TXT

172ms

CAA

40ms

HTTPS

59ms

TLSA

73ms

SOA

0ms

MTA-STS

72ms

DNSSEC

89ms

SRV

59ms

Total

881ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:55:49	881ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-12 23:35:29	5329ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-11 19:41:39	4604ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-10 14:44:14	5415ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-17 15:19:22	1186ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-15 10:48:19	1700ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-25 07:03:53	664ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-24 21:22:17	962ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-23 17:20:27	1170ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 13:16:12	813ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-23 06:48:34	5793ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-21 22:12:05	1171ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:16:58	652ms	2 NS 0 A 5 MX	🔒 Secure	View