sportsbusinessjournal.com

Checked 22 October 2026, 10:50 UTC · via 8.8.8.8
!Passed with warnings
27 passed 1 warning 0 failed 3 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2027-09-30

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
1 October 1997
Last changed
26 September 2025
Expires
30 September 2027
Status
client transfer prohibited
Registry nameservers
dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns5.dnsmadeeasy.com
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 2027-09-30 #3
    The registration is valid until 2027-09-30 (342 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns5.dnsmadeeasy.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns5.dnsmadeeasy.com
NS in the zone
dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns5.dnsmadeeasy.com
NameserverAddressesNetwork (AS)Glue
dns1.p09.nsone.net198.51.44.9 2620:4d:4000:6259:7:9:0:1AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns2.p09.nsone.net198.51.45.9 2a00:edc0:6259:7:9::2AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns3.p09.nsone.net198.51.44.73 2620:4d:4000:6259:7:9:0:3AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns4.p09.nsone.net198.51.45.73 2a00:edc0:6259:7:9::4AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
ns5.dnsmadeeasy.com208.94.148.13 2600:1800:5::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US208.94.148.13 2600:1800:5::1

Checks

  • ✓ 5 nameservers #6
    Delegated to dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns5.dnsmadeeasy.com.
  • ✓ 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 3 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS16552 (DIGICERT - Tiggee LLC, US): 2 addresses; AS62597 (NSONE - NSONE Inc, US): 8 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

10 of 10 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns1.p09.nsone.net 198.51.44.9NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns1.p09.nsone.net 2620:4d:4000:6259:7:9:0:1NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p09.nsone.net 198.51.45.9NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p09.nsone.net 2a00:edc0:6259:7:9::2NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p09.nsone.net 198.51.44.73NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p09.nsone.net 2620:4d:4000:6259:7:9:0:3NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p09.nsone.net 198.51.45.73NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p09.nsone.net 2a00:edc0:6259:7:9::4NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns5.dnsmadeeasy.com 208.94.148.13NOERROR, 3 ms, authoritativenoyes / yesrefusedDNS Made Easy Anycast
ns5.dnsmadeeasy.com 2600:1800:5::1NOERROR, 4 ms, authoritativenoyes / yesrefusedDNS Made Easy Anycast

Checks

  • ✓ All respond #14
    All 10 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: dns1.p09.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns2.p09.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns3.p09.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns4.p09.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; ns5.dnsmadeeasy.com: "DNS Made Easy Anycast".
    #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 1646932589 · primary dns1.p09.nsone.net

Found

Primary (MNAME)
dns1.p09.nsone.net
Contact (RNAME)
hostmaster.nsone.net
Serial
1646932589
Refresh / retry
3600 s / 600 s
Expire
604800 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
dns1.p09.nsone.net (198.51.44.9)1646932589
dns1.p09.nsone.net (2620:4d:4000:6259:7:9:0:1)1646932589
dns2.p09.nsone.net (198.51.45.9)1646932589
dns2.p09.nsone.net (2a00:edc0:6259:7:9::2)1646932589
dns3.p09.nsone.net (198.51.44.73)1646932589
dns3.p09.nsone.net (2620:4d:4000:6259:7:9:0:3)1646932589
dns4.p09.nsone.net (198.51.45.73)1646932589
dns4.p09.nsone.net (2a00:edc0:6259:7:9::4)1646932589
ns5.dnsmadeeasy.com (208.94.148.13)1646932589
ns5.dnsmadeeasy.com (2600:1800:5::1)1646932589

Checks

  • ✓ Serial 1646932589 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 10m, expire 7d, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver dns1.p09.nsone.net is one of the listed nameservers.
  • ✓ Contact hostmaster@nsone.net #25
    The SOA RNAME hostmaster.nsone.net means hostmaster@nsone.net.
  • ✓ Timestamp serial #26
    The serial 1646932589 is a Unix timestamp (2022-03-10 17:16 UTC).

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

33 records at the apex

Found

Read from
198.51.44.9:53
TypeValueTTL
SOAdns1.p09.nsone.net. hostmaster.nsone.net. 1646932589 3600 600 604800 900900
NSdns1.p09.nsone.net.900
NSdns2.p09.nsone.net.900
NSdns3.p09.nsone.net.900
NSdns4.p09.nsone.net.900
NSns5.dnsmadeeasy.com.900
A52.223.8.249300
A3.33.223.15300
MX0 sportsbusinessjournal-com.mail.protection.outlook.com.300
TXT"MS=ms42853693"3600
TXT"UuhC0cXdtt9avEQpYnfZlbktCsdpd/Ru16GKa+T4BNfeN3zybaomrdQ2i6diL3SYpmwV2KJgT2SXfQg0hWXYLA=="3600
TXT"v=spf1 include:spf.protection.outlook.com ip4:65.213.145.0/24 ip4:64.132.88.73 ip4:149.72.232.240 include:mktomail.com include:aspmx.pardot.com include:cvent-planner.com include:_spf.salesforce.com include:_spf.eu.mailgun.org -all"3600
TXT"lfrmlf34m9dc1nhxj131jw0vzcghq6mx"3600
TXT"MS=ms58833711"3600
TXT"pardot856843=fca12346212f2149dad875c21ef1deff5e08c77b497cd6208bf1a3aecce927b4"3600
TXT"google-site-verification=ZAgH1VZi1vFimQdiJlm5uEhjnsK21dBY9H0ND17z6p8"3600
TXT"google-site-verification=y_HsAsD9CxDiLbGFkTDzc_FGCdi0TKl4NqRq7g-EvkU\010"3600
TXT"atlassian-domain-verification=n7oPJnCHxMrm6OHRP18vc0vX3ZSPFuDT7XEkELo4ndZ5MPacry9NzMvm7O08SYbf"3600
TXT"CA420445F1"3600
TXT"google-site-verification=IWje0QbcNQ6PMdVpEtxfk0udTYXQ1GhnHfsvLy2lECo"3600
TXT"docusign=dcd95f0c-3795-4c18-8e43-9dc6ef06b5b6"3600
TXT"ZOOM_verify_uYZnZxzhwwmVL1NOuTBcnV"3600
TXT"google-site-verification=_CRSOVHGt1Eg5x3l_opYJkWa87AguuY9bypvI-oteCg"3600
TXT"wtgj1clrw3qrd3t4291m2dnldg340s20"3600
TXT"google-site-verification=PqsORJgHZjAlnTH40_psSQ6b9-EEhw9U4jfKC8QQZsA"3600
TXT"google-site-verification=bn88jKEgLa6RUUeLu01xA5MRagKLr04X8ZA5hvFcVCw"3600
TXT"ZOOM_verify_OsU38WtqAxiSUKUnuLbfTT"3600
TXT"stripe-verification=A464A1E36E9077950173BACBF5C8BEFC13144CD48C7D58B5B81BD4093EF932EE"3600
TXT"2e2c080d5490760af59d0baf5acbb84e"3600
TXT"openai-domain-verification=dv-gPhLzKgs4iwp9xkgQH7erICk"3600
TXT"3B26BE320D"3600
TXT"tollbit-domain-verification=7d760d573b7908837078c2c9984ee04b528c14cd3705ea0038e9a72a2422c516"3600
TXT"notion-domain-verification=NETt9tmbW6FD2yXyfv2YxkOLU0BOEEQk1AOc4iPXpRB"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, NS 15m. The NS TTL at the parent is 2d and in the zone 15m; 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