ckrbyg.dk DNS records

🖥️ Nameservers2 records 37ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.28	600s	vm1413.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records4 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.21.40.28
🔶 Autoconfig	185.21.40.28

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 186ms

TXT Record
v=spf1 include:spf.simply.com include:spf.curanet.dk include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (ckrbyg.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:spf.curanet.dk include:web.shared.mysmtp.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 / DANE4 records 83ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081701
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

37ms

A

31ms

MX

37ms

AAAA

4032ms

TXT

186ms

CAA

46ms

HTTPS

35ms

TLSA

83ms

SOA

0ms

MTA-STS

53ms

DNSSEC

90ms

SRV

101ms

Total

4524ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 10:07:22	4524ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-18 04:16:39	977ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-08 03:29:18	1055ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-04 21:47:58	1107ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-28 03:35:37	1081ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-27 03:28:32	16948ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-26 03:19:21	1075ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-25 03:10:12	969ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-24 02:49:28	1158ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-23 01:18:09	900ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-21 20:01:06	1131ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 14:43:17	857ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-19 10:20:31	1044ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-18 01:51:45	4115ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 23:40:58	1611ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-08 23:06:35	9234ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-07 01:49:35	1530ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-04 20:50:35	943ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-03 12:10:45	899ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-01 08:47:53	1441ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-28 18:05:57	675ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-28 04:15:17	695ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 11:15:01	1855ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 22:52:51	613ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 21:16:17	1173ms	0 NS 0 A 0 MX	❓ Unknown	View