webduo.dk

📜 Historical scan 2026-06-18 08:23:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

webduo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.10.221.79 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by 185-10-221-79.ip4.fiberby.net, webduo.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 83ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.10.221.79	—	185-10-221-79.ip4.fiberby.net	AS42541	Fiberby ApS	185.10.220.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	185-10-221-79.ip4.fiberby.net	185.10.221.79	185-10-221-79.ip4.fiberby.net	AS42541 Fiberby ApS
20	—	webduo.dk	185.10.221.79	185-10-221-79.ip4.fiberby.net	AS42541 Fiberby ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	webduo.dk → 185.10.221.79
🔶 Autoconfig	webduo.dk → 185.10.221.79

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 173ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (webduo.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.webduo.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-reports@webduo.dk

📬 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#

latest probe, not this scan · checked 2026-10-13 00:16:18

www CNAME	webduo.dk (all on webduo.dk) → 185.10.221.79 (AS42541)
www vs bare domain	Same network webduo.dk: 185.10.221.79 (AS42541) www.webduo.dk: 185.10.221.79 (AS42541)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026061101
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

83ms

34ms

41ms

AAAA

44ms

TXT

173ms

CAA

44ms

HTTPS

32ms

TLSA

99ms

SOA

34ms

MTA-STS

44ms

DNSSEC

51ms

SRV

195ms

Total

821ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 00:16:18	843ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-12 18:19:29	867ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-24 23:51:46	710ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-11 15:14:42	3720ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-17 20:04:59	938ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-12 06:40:42	1169ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 08:23:51 shown	821ms	2 NS 1 A 2 MX	🔒 Secure