redbull.com

Checked 22 October 2026, 10:25 UTC · via 8.8.8.8
!Passed with warnings
26 passed 2 warnings 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2027-01-04

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
5 January 1998
Last changed
3 December 2025
Expires
4 January 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
ns15.ultradns2.com, ns15.ultradns2.org, pdns91.ultradns.biz, pdns91.ultradns.com, pdns91.ultradns.net, pdns91.ultradns.org
RDAP server
https://rdap.verisign.com/com/v1/

Checks

  • i
    .com is a generic TLD (gTLD)
    Generic TLD under an ICANN registry agreement: ICANN-accredited registrars, UDRP and RDAP apply.
    #1
  • ✓ TLD delegated and signed #2
    .com is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2027-01-04 #3
    The registration is valid until 2027-01-04 (73 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

ns15.ultradns2.com, ns15.ultradns2.org, pdns91.ultradns.biz, pdns91.ultradns.com, pdns91.ultradns.net, pdns91.ultradns.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns15.ultradns2.com, ns15.ultradns2.org, pdns91.ultradns.biz, pdns91.ultradns.com, pdns91.ultradns.net, pdns91.ultradns.org
NS in the zone
ns15.ultradns2.com, ns15.ultradns2.org, pdns91.ultradns.biz, pdns91.ultradns.com, pdns91.ultradns.net, pdns91.ultradns.org
NameserverAddressesNetwork (AS)Glue
ns15.ultradns2.com204.74.104.15 2610:a1:310f::53AS399153 SECURITYSERVICES - Vercara, LLC, US AS399155 SECURITYSERVICES - Vercara, LLC, US204.74.104.15 2610:a1:310f::53
ns15.ultradns2.org204.74.106.15 2610:a1:320f::53AS399154 SECURITYSERVICES - Vercara, LLC, US AS399154 SECURITYSERVICES - Vercara, LLC, US-
pdns91.ultradns.biz156.154.66.91 2610:a1:1015::7fAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns91.ultradns.com156.154.64.91 2001:502:f3ff::7fAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US156.154.64.91 2001:502:f3ff::7f
pdns91.ultradns.net156.154.65.91 2610:a1:1014::7fAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns91.ultradns.org156.154.67.91 2001:502:4612::7fAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 6 nameservers #6
    Delegated to ns15.ultradns2.com, ns15.ultradns2.org, pdns91.ultradns.biz, pdns91.ultradns.com, pdns91.ultradns.net, pdns91.ultradns.org.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ No glue needed #8
    All nameservers are outside the zone, so no glue records are needed.
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 6 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 4 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 8 addresses; AS399153 (SECURITYSERVICES - Vercara, LLC, US): 1 address; AS399154 (SECURITYSERVICES - Vercara, LLC, US): 2 addresses; AS399155 (SECURITYSERVICES - Vercara, LLC, US): 1 address.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .biz, .com, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns15.ultradns2.com 204.74.104.15NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns15.ultradns2.com 2610:a1:310f::53NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns15.ultradns2.org 204.74.106.15NOERROR, 9 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns15.ultradns2.org 2610:a1:320f::53NOERROR, 10 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.biz 156.154.66.91NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.biz 2610:a1:1015::7fNOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.com 156.154.64.91NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.com 2001:502:f3ff::7fNOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.net 156.154.65.91NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.net 2610:a1:1014::7fNOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.org 156.154.67.91NOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns91.ultradns.org 2001:502:4612::7fNOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 12 nameserver addresses answered.
  • ✓ All authoritative #15
    Every responding nameserver answers authoritatively for the zone.
  • ✓ No recursion #16
    The nameservers do not answer recursive queries for other domains.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns15.ultradns2.com: "UltraDNS Nameserver"; ns15.ultradns2.org: "UltraDNS Nameserver"; pdns91.ultradns.biz: "UltraDNS Nameserver"; pdns91.ultradns.com: "UltraDNS Nameserver"; pdns91.ultradns.net: "UltraDNS Nameserver"; pdns91.ultradns.org: "UltraDNS Nameserver".
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✓ TCP supported #19
    All nameservers answer over TCP.
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 2016082101 · primary pdns91.ultradns.com

Found

Primary (MNAME)
pdns91.ultradns.com
Contact (RNAME)
domains.redbull.com
Serial
2016082101
Refresh / retry
28800 s / 7200 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns15.ultradns2.com (204.74.104.15)2016082101
ns15.ultradns2.com (2610:a1:310f::53)2016082101
ns15.ultradns2.org (204.74.106.15)2016082101
ns15.ultradns2.org (2610:a1:320f::53)2016082101
pdns91.ultradns.biz (156.154.66.91)2016082101
pdns91.ultradns.biz (2610:a1:1015::7f)2016082101
pdns91.ultradns.com (156.154.64.91)2016082101
pdns91.ultradns.com (2001:502:f3ff::7f)2016082101
pdns91.ultradns.net (156.154.65.91)2016082101
pdns91.ultradns.net (2610:a1:1014::7f)2016082101
pdns91.ultradns.org (156.154.67.91)2016082101
pdns91.ultradns.org (2001:502:4612::7f)2016082101

Checks

  • ✓ Serial 2016082101 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver pdns91.ultradns.com is one of the listed nameservers.
  • ✓ Contact domains@redbull.com #25
    The SOA RNAME domains.redbull.com means domains@redbull.com.
  • ✓ Date-based serial #26
    The serial 2016082101 follows the YYYYMMDDnn convention (2016-08-21).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

warn

60 records at the apex

Found

Read from
204.74.104.15:53
TypeValueTTL
SOApdns91.ultradns.com. domains.redbull.com. 2016082101 28800 7200 1209600 8640086400
NSns15.ultradns2.com.86400
NSns15.ultradns2.org.86400
NSpdns91.ultradns.biz.86400
NSpdns91.ultradns.com.86400
NSpdns91.ultradns.net.86400
NSpdns91.ultradns.org.86400
A23.55.161.6513
A23.55.161.6913
AAAA2a02:26f0:7100::1720:ee486
AAAA2a02:26f0:7100::1720:ee296
MX0 redbull-com.mail.protection.outlook.com.3600
TXT"MS=ms97463818"600
TXT"vector-saml-92020417"600
TXT"_ryr62gyfim9w9j6y96gb4hido52o87c"600
TXT"_uy14g9zokx3stw6c10e7kacxl2krs0h"600
TXT"ZOOM_verify_m27rLBztRkeFHLDKbAtzuA"600
TXT"firebase=redbull-photobooth-fansite"600
TXT"yandex-verification: a51dcd774998eab8"600
TXT"yandex-verification: aad18f620b64b27c"600
TXT"apple-domain-verification=odkhNiY1AwjKsHAl"600
TXT"QuoVadis=d56f7361-359a-4f04-b858-2e34d9d9b117"600
TXT"docusign=679758f7-e6bc-41ab-8dbf-417624c378a4"600
TXT"docusign=b3640d57-0668-4c84-a5cb-4e199fd00d38"600
TXT"jamf-site-verification=_T1tJfEpBa5y1V4i5ongPw"600
TXT"canva-site-verification=CpUH3-GXSXlisKiHbnI6kw"600
TXT"fastly-domain-delegation-l6ByU9UvR9NX06q-20251121"600
TXT"f7fbf1eb4bb2bd20afa0e38447eff8dc3d66a2c953e59e527a"600
TXT"amazonses:pkdkj6bcdiVxa2xtsoMA70kc1PyYjNtUzGcLZGHWXQk="600
TXT"shopify-verification-code=X1DKqOEDmRipJGnoXG0Mp8yALcbTKV"600
TXT"mongodb-site-verification=s4RGRapyJSjdREFYPXqvzHmYt60COynM"600
TXT"facebook-domain-verification=uhk1v8zuggj2ug6q0e9f1hczlzz1jr"600
TXT"virtru-site-verify=obp3KuFTAvVACEbB28a2PkjY9bvEQhygmi7gd3d6"600
TXT"teamviewer-sso-verification=3d50f93de59b453aa294796293a115d0"600
TXT"workplace-domain-verification=G6JbgsDS3rGKm9xjdExKVXP3uazq8P"600
TXT"uber-domain-verification=345f84e7-8f29-4772-8a95-437d5755fd97"600
TXT"anthropic-domain-verification-5wg0q8=Drbo9cZiHvN1d2LNdDTEpoRku"600
TXT"cm.com-domain-verification=648a8834-79b1-4072-9fcc-01a85c8f8c22"600
TXT"spycloud-domain-verification=7b0d7b29-0783-43a8-ae02-2618020eb9d0"600
TXT"webexdomainverification.C5UR=281b4db8-b67c-4111-9ece-8958b41cd08f"600
TXT"monday-com-verification=qVsHJCKBqguw6NvEWYm9FSUma88aPXmBM__iEh_LcdU"600
TXT"google-site-verification=FT9NwKVuURPQaWb5Fq7oVSA7l5r_OebpkZ8ySQLlOIY"600
TXT"google-site-verification=cAAOttK7KB-rKBmOD7p1Imx6EcdvKD-DLIvoDclN8YA"600
TXT"google-site-verification=dyaNOA-sacV_MOg8KnODyK8ihwNa368Vz0Hq2_5MpcY"600
TXT"google-site-verification=wjAcjCp-XN8rKlZWz47ImMiC6gYoaVe5So6Yl7YhHk0"600
TXT"google-site-verification=x_6pn1VmeoS7F3VrlNiZye1yb0RXleXiW2psI9flRBY"600
TXT"google-site-verification=zdiNmEZSzIJoZazEYew3bFFSXqudF7ODAHqljjf9hjg"600
TXT"notion-domain-verification=hN2mHaKh119t9oIeUxOZ3tMcWasvrx4wAOUBR7gEgfY"600
TXT"globalsign-domain-verification=hL1YyaIXzf8_UoxDhIMWaHVWUANe7eU7dWvXus7lwI"600
TXT"zapier-domain-verification-challenge=112b278f-86f3-41a1-896b-d581fb935e34"600
TXT"atlassian-sending-domain-verification=3531ce11-63aa-453d-a854-4ab6aad86fcf"600
TXT"neat-pulse-domain-verification-W8XZ4xN=35c9459f-5f1d-48dc-a8dc-fcd480a2e5f1"600
TXT"TGTRxhxdWsMPjij6aytGGneMBuVXCl/yZnJjLxOrka4s+20mUfT10boKi26Gucz3BPhpnzjLSLk+ktKl9sGJxw=="600
TXT"Ws0bd7f6/5qF5IIq/WdhyrANdPcnsIiWWLi0IaWO5cKb/CFj6cBCGx2siy/4UFRc0e2FMOB0+FUmWeos/leuYg=="600
TXT"ciscocidomainverification=484a6f952eb1e97a5d6a12260122d88095307403a3c873f524b55a8a09e0311c"600
TXT"adobe-idp-site-verification=f7adf3e3b2e02fdafc5d0da23da483f36bbf68c3d554a3bb94db66190116545f"600
TXT"atlassian-domain-verification=6JjO48MB9UypL10pMDk0vdlEGRGtdMztJavx3KTtMJerMz/adr2Ks0qr+55+LpoQ"600
TXT"atlassian-domain-verification=SE0bg/sLbNj/sxFjb5WzNowyB2EHWNhe/j4JbSYgLllAii8XsA6kVaTiLiQS7Kr7"600
TXT"figma-domain-verification=7a82465e7631432ddae7da5c5874d4fd7bdefc2c5eabd1baca75d219dc388f58-1725268196"600
TXT"v=spf1 include:spf.protection.outlook.com include:_spf.redbull.com include:spf.virtrugateway.com -all"600

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (13s), AAAA (6s). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 1d; resolvers may use either.
    #32
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • ✓ No wildcard #34
    Names that don't exist return NXDOMAIN.
  • i
    No CAA records
    Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.
    #35