openconcept.dk DNS records

🖥️ Nameservers2 records 47ms

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 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.141.35	600s	li1657-35.members.linode.com	AS63949	Akamai Connected Cloud	172.104.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records7 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	lm-in-f26.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	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
20	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	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
30	43200s	aspmx3.googlemail.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
30	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	openconcept.dk → 172.104.141.35
🔶 Autoconfig	openconcept.dk → 172.104.141.35

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records11 records 187ms

TXT Record
google-site-verification=_4xwmU-JEVyz82N1loE3gPsnU9Ndtyk6Fu_JEHRHuqs
google-site-verification=6t0GVELZJ4DB5LHt5IE2ukqHT5TsLXzSRJsgIAsb6sI
google-site-verification=Ci-E2eek_NIYUBqobhCJ7D3SSnqKvCoV1lwmgRlXfaE
google-site-verification=CiSjSCpuYjYiHD3SkSRMMnDO1hKOJFb0LqGaMPO3c_Y
google-site-verification=f1mQUrVyZAPvzEJB-mKtj1kn3efdgXVrHAlVZqGLis0
google-site-verification=FGWzaNUDizuD7wS8-PUemPP78G3MtWKxK_bztS1DuB8
google-site-verification=GiM9_6g1ztkjmu7S6nPsgazjk1wfroAek-hkIHRTL10
google-site-verification=jdB6RK0s0MXewh-t0OuUOAvfo1ub8Mx-hWfkB6hviYk
google-site-verification=n6FRbmKRmcHqqZh64HpdZEFaLIydW15h0CRfz8IvpXg
google-site-verification=O2rsmjyoDCnMZh30b-Cqz2Xve4pEM7QXHFWUXm8TlB0
v=spf1 include:aspmx.googlemail.com ~all

✉️ SPF

Policy	Record (openconcept.dk)
~all (soft fail)	v=spf1 include:aspmx.googlemail.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.openconcept.dk	openconcept.dk

🔗 TLSA / DANE

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

🔐 DNSSEC83ms

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

🏷️ SOA43ms

Field	Value
Serial	2026030701
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

47ms

A

63ms

MX

47ms

AAAA

35ms

TXT

187ms

CAA

60ms

HTTPS

38ms

TLSA

104ms

SOA

43ms

MTA-STS

75ms

DNSSEC

83ms

SRV

72ms

Total

5429ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 17:47:26	5429ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 14:46:36	1786ms	2 NS 1 A 7 MX	🔒 Secure	View