redbullcliffdiving.dk DNS records

🖥️ Nameservers6 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
ns15.ultradns2.com	204.74.104.15 2610:a1:310f::53	ns15.ultradns2.com ns15.ultradns2.com	AS399153 Vercara, LLC AS399155 Vercara, LLC
ns15.ultradns2.org	204.74.106.15 2610:a1:320f::53	ns15.ultradns2.org ns15.ultradns2.org	AS399163 Vercara, LLC AS399156 Vercara, LLC
pdns91.ultradns.biz	156.154.66.91 2610:a1:1015::7f	pdns91.ultradns.biz pdns91.ultradns.biz	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns91.ultradns.com	156.154.64.91 2001:502:f3ff::7f	pdns91.ultradns.com pdns91.ultradns.com	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns91.ultradns.net	156.154.65.91 2610:a1:1014::7f	pdns91.ultradns.net pdns91.ultradns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns91.ultradns.org	156.154.67.91 2001:502:4612::7f	pdns91.ultradns.org pdns91.ultradns.org	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
204.74.99.100	300s	crs.ultradns.net	AS12008	Vercara, LLC	204.74.99.0/24	🇺🇸 United States	—

📧 MX Records3 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	204.74.99.100
🔶 Autoconfig	204.74.99.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 116ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records1 records 376ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.redbullcliffdiving.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:zsrbf6su@ag.eu.dmarcadvisor.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

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2015121739
Primary NS (MNAME)	pdns91.ultradns.com
Responsible (RNAME)	domains@redbull.com
Refresh	86400s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

76ms

MX

84ms

AAAA

79ms

TXT

376ms

CAA

62ms

HTTPS

67ms

TLSA

68ms

SOA

0ms

MTA-STS

112ms

DNSSEC

109ms

SRV

116ms

Total

1653ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:18:20	1653ms	6 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 00:09:07	1351ms	6 NS 1 A 3 MX	🔓 Insecure	View
2026-07-20 03:10:51	1518ms	6 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 09:28:07	1207ms	6 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 16:59:24	2499ms	6 NS 1 A 3 MX	🔓 Insecure	View
2026-06-23 01:55:19	3093ms	6 NS 1 A 3 MX	🔓 Insecure	View
2026-06-22 15:39:32	1180ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 02:13:22	1304ms	6 NS 1 A 3 MX	🔓 Insecure	View