op-con.dk

Records from scan: 2026-10-12 09:21:32 · 814ms total · last checked 2026-10-25 21:48 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

op-con.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by alt2.aspmx.l.google.com, aspmx2.googlemail.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

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 Records#

5 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
2	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
3	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
4	43200s	aspmx.l.google.com	2a00:1450:4010:c1c::1a 64.233.162.26	la-in-f26.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC 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 Records#

1 records 120ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (op-con.dk)
-all (hard fail)	v=spf1 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

🧩 Web & zone#

checked 2026-10-12 09:21:32

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves op-con.dk: no address www.op-con.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026101101
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

29ms

33ms

32ms

AAAA

37ms

TXT

120ms

CAA

30ms

HTTPS

28ms

TLSA

181ms

SOA

45ms

MTA-STS

53ms

DNSSEC

106ms

SRV

43ms

Total

814ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 09:21:32 shown	814ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-25 22:14:31	9538ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-12 15:50:13	802ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-11 23:02:39	4443ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-17 17:18:16	929ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-12 20:39:51	995ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-19 16:30:28	566ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-17 21:40:16	1180ms	2 NS 0 A 5 MX	🔒 Secure