zohopublic.com

Checked 22 October 2026, 11:44 UTC · via 8.8.8.8
!Passed with warnings
27 passed 1 warning 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2027-03-07

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
7 March 2008
Last changed
3 February 2025
Expires
7 March 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net
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 2027-03-07 #3
    The registration is valid until 2027-03-07 (135 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

ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net
NS in the zone
ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net
NameserverAddressesNetwork (AS)Glue
ns1.zohocorp.com156.154.67.90 2001:502:4612::7eAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US156.154.67.90 2001:502:4612::7e
ns11.zns-53.com136.143.172.88 2602:801:c00a::88AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US136.143.172.88 2602:801:c00a::88
ns21.zns-53.net136.143.173.99 2602:801:c00b::99AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US-
ns31.zns-53.com169.148.151.88 2602:801:c00c::88AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US169.148.151.88 2602:801:c00c::88
ns41.zns-53.net169.148.152.99 2602:801:c00c::99AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US AS397849 ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US-
pdns90.ultradns.biz156.154.66.90 2610:a1:1015::7eAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns90.ultradns.com156.154.64.90 2001:502:f3ff::7eAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US156.154.64.90 2001:502:f3ff::7e
pdns90.ultradns.net156.154.65.90 2610:a1:1014::7eAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 8 nameservers #6
    Delegated to ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net.
  • ✓ 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 8 IPv4 /24s and 7 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 8 addresses; AS397849 (ZOHO-STREAMING-CONTENT-NETWORK - ZOHO, US): 8 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .biz, .com, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

16 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.zohocorp.com 156.154.67.90NOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.zohocorp.com 2001:502:4612::7eNOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns11.zns-53.com 136.143.172.88NOERROR, 160 ms, authoritativenoyes / yesrefused-
ns11.zns-53.com 2602:801:c00a::88NOERROR, 121 ms, authoritativenoyes / yesrefused-
ns21.zns-53.net 136.143.173.99NOERROR, 161 ms, authoritativenoyes / yesrefused-
ns21.zns-53.net 2602:801:c00b::99NOERROR, 117 ms, authoritativenoyes / yesrefused-
ns31.zns-53.com 169.148.151.88NOERROR, 163 ms, authoritativenoyes / yesrefused-
ns31.zns-53.com 2602:801:c00c::88NOERROR, 112 ms, authoritativenoyes / yesrefused-
ns41.zns-53.net 169.148.152.99NOERROR, 165 ms, authoritativenoyes / yesrefused-
ns41.zns-53.net 2602:801:c00c::99NOERROR, 111 ms, authoritativenoyes / yesrefused-
pdns90.ultradns.biz 156.154.66.90NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns90.ultradns.biz 2610:a1:1015::7eNOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns90.ultradns.com 156.154.64.90NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns90.ultradns.com 2001:502:f3ff::7eNOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns90.ultradns.net 156.154.65.90NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns90.ultradns.net 2610:a1:1014::7eNOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 16 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: ns1.zohocorp.com: "UltraDNS Nameserver"; pdns90.ultradns.biz: "UltraDNS Nameserver"; pdns90.ultradns.com: "UltraDNS Nameserver"; pdns90.ultradns.net: "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 2026102102 · primary ns1.zohocorp.com

Found

Primary (MNAME)
ns1.zohocorp.com
Contact (RNAME)
dnsadmin.vtitan.com
Serial
2026102102
Refresh / retry
7200 s / 1800 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns1.zohocorp.com (156.154.67.90)2026102102
ns1.zohocorp.com (2001:502:4612::7e)2026102102
ns11.zns-53.com (136.143.172.88)2026102102
ns11.zns-53.com (2602:801:c00a::88)2026102102
ns21.zns-53.net (136.143.173.99)2026102102
ns21.zns-53.net (2602:801:c00b::99)2026102102
ns31.zns-53.com (169.148.151.88)2026102102
ns31.zns-53.com (2602:801:c00c::88)2026102102
ns41.zns-53.net (169.148.152.99)2026102102
ns41.zns-53.net (2602:801:c00c::99)2026102102
pdns90.ultradns.biz (156.154.66.90)2026102102
pdns90.ultradns.biz (2610:a1:1015::7e)2026102102
pdns90.ultradns.com (156.154.64.90)2026102102
pdns90.ultradns.com (2001:502:f3ff::7e)2026102102
pdns90.ultradns.net (156.154.65.90)2026102102
pdns90.ultradns.net (2610:a1:1014::7e)2026102102

Checks

  • ✓ Serial 2026102102 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 30m, expire 14d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.zohocorp.com is one of the listed nameservers.
  • ✓ Contact dnsadmin@vtitan.com #25
    The SOA RNAME dnsadmin.vtitan.com means dnsadmin@vtitan.com.
  • ✓ Date-based serial #26
    The serial 2026102102 follows the YYYYMMDDnn convention (2026-10-21).

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

info

17 records at the apex

Found

Read from
156.154.67.90:53
TypeValueTTL
SOAns1.zohocorp.com. dnsadmin.vtitan.com. 2026102102 7200 1800 1209600 3600600
NSns1.zohocorp.com.600
NSns11.zns-53.com.600
NSns21.zns-53.net.600
NSns31.zns-53.com.600
NSns41.zns-53.net.600
NSpdns90.ultradns.biz.600
NSpdns90.ultradns.com.600
NSpdns90.ultradns.net.600
A136.143.191.215600
MX20 mx.zohomail.com.600
MX50 mx2.zohomail.com.600
MX70 mx3.zohomail.com.600
TXT"antiphish-be75f09fb99608d78aa8eda902b08bc6ad86630f"600
TXT"tiktok-developers-site-verification=TZv8x00NoXxRQSsYCGG9euyf8S3Gvv4d"600
TXT"v=spf1 include:zoho.com include:spf1.zho.com include:zcsend.net a mx ~all"600
TXT"google-site-verification=KXmHRMYKCLd79U1hC68a5pzzF6qxNW4s3VNWAdlyHLcgoogle-site-verification=KXmHRMYKCLd79U1hC68a5pzzF6qxNW4s3VNWAdlyHLc"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, MX 10m, NS 10m. The NS TTL at the parent is 2d and in the zone 10m; resolvers may use either.
  • ✓ 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