dotbyus.dk DNS records

🖥️ Nameservers2 records 57ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.147.160	600s	x599693a0.customers.hiper-net.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	—

📧 MX Records2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.forwardemail.net	121.127.44.56 138.197.213.185 2604:a880:2:d0::306:1 2a02:6ea0:d71e::2	mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net	AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS60068 Datacamp Limited
10	600s	mx2.forwardemail.net	104.248.224.170 121.127.44.59 2604:a880:400:d1::cd:9001 2a02:6ea0:d71e::1	mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net	AS14061 DigitalOcean, LLC AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS60068 Datacamp Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	glasir.dotbyus.dk → 89.150.147.160
🔶 Autoconfig	glasir.dotbyus.dk → 89.150.147.160

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 221ms

TXT Record
forward-email=karto.net
v=spf1 a include:spf.forwardemail.net include:_spf.protonmail.ch -all

✉️ SPF

Policy	Record (dotbyus.dk)
-all (hard fail)	v=spf1 a include:spf.forwardemail.net include:_spf.protonmail.ch -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.dotbyus.dk	glasir.dotbyus.dk

🔗 TLSA / DANE4 records 105ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…

🔐 DNSSEC2063ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032501
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

57ms

A

44ms

MX

41ms

AAAA

50ms

TXT

221ms

CAA

58ms

HTTPS

47ms

TLSA

105ms

SOA

0ms

MTA-STS

68ms

DNSSEC

2063ms

SRV

69ms

Total

2813ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:59:49	2813ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-24 23:46:48	4935ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 23:29:50	3018ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 04:29:33	514ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 04:21:10	722ms	2 NS 1 A 2 MX	🔒 Secure	View