ckbyg.dk DNS records

🖥️ Nameservers3 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.0.78.129	3600s	—	AS2635	Automattic, Inc	192.0.64.0/18	🇺🇸 United States	San Francisco
192.0.78.209	3600s	—	AS2635	Automattic, Inc	192.0.64.0/18	🇺🇸 United States	San Francisco

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.251.1.26 142.251.1.27 173.194.73.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 64.233.165.26 64.233.165.27	lb-in-f26.1e100.net lb-in-f27.1e100.net lq-in-f27.1e100.net lh-in-x1a.1e100.net lh-in-f26.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net lg-in-f26.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 53ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 95ms

TXT Record
google-site-verification=lJOCu4En0MwuGzFYH6FAkbBqt2fCG4dQd4_ITYd4T3E
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (ckbyg.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.ckbyg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@ckbyg.dk, mailto:dmarc@ckbyg.dk; pct=100; adkim=s; aspf=s

📬 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)

🔐 DNSSEC116ms

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

🏷️ SOA41ms

Field	Value
Serial	2026020904
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

32ms

MX

38ms

AAAA

44ms

TXT

95ms

CAA

35ms

HTTPS

38ms

TLSA

189ms

SOA

41ms

MTA-STS

51ms

DNSSEC

116ms

SRV

53ms

Total

832ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-01 23:52:14	832ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 23:04:32	65535ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 21:09:18	1899ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 21:02:42	416ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 21:01:10	755ms	3 NS 2 A 1 MX	🔒 Secure	View