vudu.com

Checked 22 October 2026, 11:23 UTC · via 8.8.8.8
!Passed with warnings
25 passed 4 warnings 0 failed 2 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2027-03-02

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
28 October 1995
Last changed
29 January 2026
Expires
2 March 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
a1-149.akam.net, a11-66.akam.net, a18-67.akam.net, a24-64.akam.net, a28-65.akam.net, a7-66.akam.net, pdns193.ultradns.biz, pdns193.ultradns.co.uk, pdns193.ultradns.com, pdns193.ultradns.info, pdns193.ultradns.net, pdns193.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 2027-03-02 #3
    The registration is valid until 2027-03-02 (130 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

a1-149.akam.net, a11-66.akam.net, a18-67.akam.net, a24-64.akam.net, a28-65.akam.net, a7-66.akam.net, pdns193.ultradns.biz, pdns193.ultradns.co.uk, pdns193.ultradns.com, pdns193.ultradns.info, pdns193.ultradns.net, pdns193.ultradns.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-149.akam.net, a11-66.akam.net, a18-67.akam.net, a24-64.akam.net, a28-65.akam.net, a7-66.akam.net, pdns193.ultradns.biz, pdns193.ultradns.co.uk, pdns193.ultradns.com, pdns193.ultradns.info, pdns193.ultradns.net, pdns193.ultradns.org
NS in the zone
a1-149.akam.net, a11-66.akam.net, a18-67.akam.net, a24-64.akam.net, a28-65.akam.net, a7-66.akam.net, pdns193.ultradns.biz, pdns193.ultradns.co.uk, pdns193.ultradns.com, pdns193.ultradns.info, pdns193.ultradns.net, pdns193.ultradns.org
NameserverAddressesNetwork (AS)Glue
a1-149.akam.net193.108.91.149 2600:1401:2::95AS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a11-66.akam.net84.53.139.66 2600:1480:1::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a18-67.akam.net95.101.36.67 2600:1480:4800::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a24-64.akam.net2.16.130.64 2600:1480:9800::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a28-65.akam.net95.100.173.65 2600:1480:d800::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a7-66.akam.net23.61.199.66 2600:1406:32::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
pdns193.ultradns.biz156.154.66.193 2610:a1:1015::e5AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns193.ultradns.co.uk156.154.69.193 2610:a1:1017::e5AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns193.ultradns.com156.154.64.193 2001:502:f3ff::e5AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US156.154.64.193 2001:502:f3ff::e5
pdns193.ultradns.info156.154.68.193 2610:a1:1016::e5AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns193.ultradns.net156.154.65.193 2610:a1:1014::e5AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns193.ultradns.org156.154.67.193 2001:502:4612::e5AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 12 nameservers #6
    Delegated to a1-149.akam.net, a11-66.akam.net, a18-67.akam.net, a24-64.akam.net, a28-65.akam.net, a7-66.akam.net, pdns193.ultradns.biz, pdns193.ultradns.co.uk, pdns193.ultradns.com, pdns193.ultradns.info, pdns193.ultradns.net, pdns193.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 12 IPv4 /24s and 12 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 12 addresses; AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL): 1 address; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 11 addresses.
  • ✓ Nameserver names under 6 TLDs #12
    Nameserver names use the TLDs .biz, .com, .info, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

24 of 24 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-149.akam.net 193.108.91.149NOERROR, 4 ms, authoritativenoyes / yesrefused41824.7
a1-149.akam.net 2600:1401:2::95NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a11-66.akam.net 84.53.139.66NOERROR, 4 ms, authoritativenoyes / yesrefused41824.7
a11-66.akam.net 2600:1480:1::42NOERROR, 4 ms, authoritativenoyes / yesrefused41824.9
a18-67.akam.net 95.101.36.67NOERROR, 5 ms, authoritativenoyes / yesrefused48878.31
a18-67.akam.net 2600:1480:4800::43NOERROR, 4 ms, authoritativenoyes / yesrefused48878.29
a24-64.akam.net 2.16.130.64NOERROR, 5 ms, authoritativenoyes / yesrefused48878.32
a24-64.akam.net 2600:1480:9800::40NOERROR, 5 ms, authoritativenoyes / yesrefused48878.33
a28-65.akam.net 95.100.173.65NOERROR, 4 ms, authoritativenoyes / yesrefused48878.30
a28-65.akam.net 2600:1480:d800::41NOERROR, 5 ms, authoritativenoyes / yesrefused48878.29
a7-66.akam.net 23.61.199.66NOERROR, 5 ms, authoritativenoyes / yesrefused41824.11
a7-66.akam.net 2600:1406:32::42NOERROR, 5 ms, authoritativenoyes / yesrefused41824.5
pdns193.ultradns.biz 156.154.66.193NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.biz 2610:a1:1015::e5NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.co.uk 156.154.69.193NOERROR, 13 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.co.uk 2610:a1:1017::e5NOERROR, 13 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.com 156.154.64.193NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.com 2001:502:f3ff::e5NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.info 156.154.68.193NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.info 2610:a1:1016::e5NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.net 156.154.65.193NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.net 2610:a1:1014::e5NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.org 156.154.67.193NOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns193.ultradns.org 2001:502:4612::e5NOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 24 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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-149.akam.net: "41824.7"; a1-149.akam.net: "41824.5"; a11-66.akam.net: "41824.7"; a11-66.akam.net: "41824.9"; a18-67.akam.net: "48878.31"; a18-67.akam.net: "48878.29"; a24-64.akam.net: "48878.32"; a24-64.akam.net: "48878.33"; a28-65.akam.net: "48878.30"; a28-65.akam.net: "48878.29"; a7-66.akam.net: "41824.11"; a7-66.akam.net: "41824.5". Hide or replace the version string.
    #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

warn

serial 2021042043 · primary pdns193.ultradns.com

Found

Primary (MNAME)
pdns193.ultradns.com
Contact (RNAME)
hostmaster.vudu.com
Serial
2021042043
Refresh / retry
1800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
a1-149.akam.net (193.108.91.149)2021042043
a1-149.akam.net (2600:1401:2::95)2021042043
a11-66.akam.net (84.53.139.66)2021042043
a11-66.akam.net (2600:1480:1::42)2021042043
a18-67.akam.net (95.101.36.67)2021042043
a18-67.akam.net (2600:1480:4800::43)2021042043
a24-64.akam.net (2.16.130.64)2021042043
a24-64.akam.net (2600:1480:9800::40)2021042043
a28-65.akam.net (95.100.173.65)2021042043
a28-65.akam.net (2600:1480:d800::41)2021042043
a7-66.akam.net (23.61.199.66)2021042043
a7-66.akam.net (2600:1406:32::42)2021042043
pdns193.ultradns.biz (156.154.66.193)2021042043
pdns193.ultradns.biz (2610:a1:1015::e5)2021042043
pdns193.ultradns.co.uk (156.154.69.193)2021042043
pdns193.ultradns.co.uk (2610:a1:1017::e5)2021042043
pdns193.ultradns.com (156.154.64.193)2021042043
pdns193.ultradns.com (2001:502:f3ff::e5)2021042043
pdns193.ultradns.info (156.154.68.193)2021042043
pdns193.ultradns.info (2610:a1:1016::e5)2021042043
pdns193.ultradns.net (156.154.65.193)2021042043
pdns193.ultradns.net (2610:a1:1014::e5)2021042043
pdns193.ultradns.org (156.154.67.193)2021042043
pdns193.ultradns.org (2001:502:4612::e5)2021042043

Checks

  • ✓ Serial 2021042043 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    retry 2h should be shorter than refresh 30m. Current values: refresh 30m, retry 2h, expire 7d, negative TTL 1d.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver pdns193.ultradns.com is one of the listed nameservers.
  • ✓ Contact hostmaster@vudu.com #25
    The SOA RNAME hostmaster.vudu.com means hostmaster@vudu.com.
  • ✓ Date-based serial #26
    The serial 2021042043 follows the YYYYMMDDnn convention (2021-04-20).

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

31 records at the apex

Found

Read from
193.108.91.149:53
TypeValueTTL
SOApdns193.ultradns.com. hostmaster.vudu.com. 2021042043 1800 7200 604800 86400900
NSa1-149.akam.net.300
NSpdns193.ultradns.com.300
NSa11-66.akam.net.300
NSa18-67.akam.net.300
NSpdns193.ultradns.info.300
NSa24-64.akam.net.300
NSa28-65.akam.net.300
NSpdns193.ultradns.net.300
NSpdns193.ultradns.org.300
NSpdns193.ultradns.biz.300
NSa7-66.akam.net.300
NSpdns193.ultradns.co.uk.300
A184.86.103.21590
A184.86.103.21690
MX10 mxa-00a17301.gslb.pphosted.com.60
MX20 mx0a-00a17301.pphosted.com.60
MX20 mx0b-00a17301.pphosted.com.60
MX10 mxb-00a17301.gslb.pphosted.com.60
TXT"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"3600
TXT"hjlrhl9tq19s813nlgg9u020bm"3600
TXT"google-site-verification=DTDCq4QRSf6nnKOwSq0kTdNQuvIqpA-NOxxjzdzLifk"3600
TXT"yahoo-verification-key=W1i0fN3c+7HOxvCFVzuoRMyCANFhFMb/xxK6nOXokAM="3600
TXT"atlassian-domain-verification=jPOUPFcJvogc3LVeAKDquQvpGL/X45H3PN5cAO6UCF+mdRjdUDcWQ4zQnbn1Orrs"3600
TXT"yJKd6mmxlgMhQpyRZpcX48bL3Lw/yLjkr4FQG8gxYDs="3600
TXT"MS=ms72981476"3600
TXT"MS=ms79283639"3600
TXT"google-site-verification=i9-Ee9q4Vvphg5WemCxgUIGmzdId_9RvpesvMC-70ME"3600
TXT"adobe-idp-site-verification=958bb41f8b1e2d9a75adb539a78973a34dd4cf4acdeec8fa7422fe9451723420"3600
TXT"00d300000000ccveaa"3600
TXT"_globalsign-domain-verification=-GWE-Crsr_YGMh4jYfh_HK14vP7PWoIjPqV3sYUE59"3600

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (1m30s), MX (1m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 5m; 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