redbullcliffdiving.dk

Records from scan: 2026-10-04 11:15:22 · 1208ms total · last checked 2026-10-19 11:01 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redbullcliffdiving.dk is a .dk domain served by 6 nameservers (ns15.ultradns2.com, ns15.ultradns2.org, pdns91.ultradns.biz and 3 more). It was registered on 13 April 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 204.74.99.100 is hosted by Vercara, LLC (AS12008) in United States. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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#

6 records 37ms

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 Records#

1 records 38ms

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 Records#

3 records 36ms

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 Records#

1 records 89ms

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

📝 TXT Records#

1 records 379ms

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

🧩 Web & zone#

checked 2026-10-14 06:53:24

www	204.74.99.100 (AS12008) (address records, no CNAME)
www vs bare domain	Same network redbullcliffdiving.dk: 204.74.99.100 (AS12008) www.redbullcliffdiving.dk: 204.74.99.100 (AS12008)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2015121741
Primary NS (MNAME)	pdns91.ultradns.com
Responsible (RNAME)	domains@redbull.com
Refresh	86400s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 19:23:26

Field	Value
Registrar	MarkMonitor Inc.
Registered	2015-04-13
Expires	2027-04-30 (192d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

38ms

36ms

AAAA

46ms

TXT

379ms

CAA

49ms

HTTPS

37ms

TLSA

59ms

SOA

56ms

MTA-STS

83ms

DNSSEC

76ms

SRV

89ms

Total

1208ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 11:15:22 shown	1208ms	6 NS 1 A 3 MX	🔓 Insecure
2026-09-30 08:03:14	901ms	6 NS 1 A 3 MX	🔓 Insecure
2026-09-24 06:53:37	2142ms	6 NS 1 A 3 MX	🔓 Insecure
2026-09-04 20:13:08	11216ms	6 NS 1 A 3 MX	🔓 Insecure
2026-08-28 08:18:20	1653ms	6 NS 1 A 3 MX	🔓 Insecure
2026-08-14 00:09:07	1351ms	6 NS 1 A 3 MX	🔓 Insecure
2026-07-20 03:10:51	1518ms	6 NS 1 A 3 MX	🔓 Insecure
2026-07-03 09:28:07	1207ms	6 NS 1 A 3 MX	🔓 Insecure
2026-06-27 16:59:24	2499ms	6 NS 1 A 3 MX	🔓 Insecure
2026-06-23 01:55:19	3093ms	6 NS 1 A 3 MX	🔓 Insecure
2026-06-22 15:39:32	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 02:13:22	1304ms	6 NS 1 A 3 MX	🔓 Insecure