yoobookit.dk

📜 Historical scan 2026-06-22 03:46:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yoobookit.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.144.172.216 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 32ms

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 Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.144.172.216	3600s	136-144-172-216.colo.transip.net	AS20857	Signet B.V.	136.144.128.0/17	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 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 Records#

3 records 199ms

TXT Record
brevo-code:094805fe592e3cff44f5282261b7623b
google-site-verification=OaVacifYpfNA2-2DcSZcQb2JZ2wVlpfLQSQbEypxIkI
v=spf1 include:spf.onlinemail.io -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.yoobookit.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-01 02:58:43

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026022702
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

49ms

32ms

AAAA

42ms

TXT

199ms

CAA

40ms

HTTPS

46ms

TLSA

114ms

SOA

34ms

MTA-STS

93ms

DNSSEC

63ms

SRV

206ms

Total

569ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 02:58:43	498ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 11:38:17	728ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 14:07:05	1089ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-02 16:10:53	600ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 03:46:08 shown	569ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 00:02:10	650ms	2 NS 1 A 2 MX	🔒 Secure