dotbyus.dk

Records from scan: 2026-10-05 19:00:53 · 4592ms total · last checked 2026-10-19 06:48 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dotbyus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.147.160 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mx1.forwardemail.net, mx2.forwardemail.net. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 70ms

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 Records#

1 records 83ms

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 Records#

2 records 90ms

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 Records#

2 records 458ms

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

🧩 Web & zone#

checked 2026-10-10 22:10:59

www CNAME	glasir.dotbyus.dk (all on dotbyus.dk) → 89.150.147.160 (AS203953)
www vs bare domain	Same network dotbyus.dk: 89.150.147.160 (AS203953) www.dotbyus.dk: 89.150.147.160 (AS203953)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dotbyus.dk	glasir.dotbyus.dk

🔗 TLSA / DANE#

4 records 597ms

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	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…

🔐 DNSSEC#

321ms

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

🏷️ SOA#

93ms

Field	Value
Serial	2026100401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-05 18:03:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-10-07
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

70ms

83ms

90ms

AAAA

65ms

TXT

458ms

CAA

135ms

HTTPS

164ms

TLSA

597ms

SOA

93ms

MTA-STS

242ms

DNSSEC

321ms

SRV

220ms

Total

4592ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 19:00:53 shown	4592ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-02 18:43:25	605ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 11:21:26	1206ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-29 16:02:57	1658ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-22 12:01:10	2093ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-28 02:59:49	2813ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-24 23:46:48	4935ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-01 23:29:50	3018ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 04:29:33	514ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 04:21:10	722ms	2 NS 1 A 2 MX	🔒 Secure