krbyg.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.251	600s	linux8.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	173.194.221.26 173.194.222.26 173.194.222.27 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 64.233.163.26 64.233.163.27	lm-in-f26.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net lj-in-x1b.1e100.net lj-in-f27.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net lo-in-x1b.1e100.net lo-in-f27.1e100.net lj-in-f26.1e100.net lj-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
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 149ms

TXT Record
google-site-verification=7zovtwF_qOTmAJjRNiBe_rnes3JOJx9u8AGPM2b_oeU
v=spf1 include:spf.onlinemail.io include:_spf.google.com -all

✉️ SPF

Policy	Record (krbyg.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io 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

🔗 TLSA / DANE

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

🔐 DNSSEC52ms

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

🏷️ SOA25ms

Field	Value
Serial	2025022001
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

32ms

MX

43ms

AAAA

48ms

TXT

149ms

CAA

31ms

HTTPS

40ms

TLSA

104ms

SOA

25ms

MTA-STS

37ms

DNSSEC

52ms

SRV

37ms

Total

669ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-01 13:58:30	669ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 09:32:17	720ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 14:23:39	687ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 15:53:10	1337ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:20:55	655ms	2 NS 1 A 1 MX	🔒 Secure	View