jamanetwork.com

Checked 22 October 2026, 09:23 UTC · via 8.8.8.8
!Passed with warnings
26 passed 1 warning 0 failed 4 info

Registration

info

.com generic · GoDaddy.com, LLC · expires 2027-06-08

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
GoDaddy.com, LLC
Registered
8 June 2007
Last changed
8 June 2026
Expires
8 June 2027
Status
client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited
Registry nameservers
pdns07.domaincontrol.com, pdns08.domaincontrol.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 2027-06-08 #3
    The registration is valid until 2027-06-08 (228 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client renew 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

info

pdns07.domaincontrol.com, pdns08.domaincontrol.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
pdns07.domaincontrol.com, pdns08.domaincontrol.com
NS in the zone
pdns07.domaincontrol.com, pdns08.domaincontrol.com
NameserverAddressesNetwork (AS)Glue
pdns07.domaincontrol.com97.74.111.53 2603:5:21f1::35AS26496 AS-26496-GO-DADDY-COM-LLC - GoDaddy.com, LLC, US AS44273 GODADDY-DNS - Host Europe GmbH, DE2603:5:21f1::35 97.74.111.53
pdns08.domaincontrol.com173.201.79.53 2603:5:22f1::35AS44273 GODADDY-DNS - Host Europe GmbH, DE AS44273 GODADDY-DNS - Host Europe GmbH, DE173.201.79.53 2603:5:22f1::35

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: pdns07.domaincontrol.com, pdns08.domaincontrol.com.
    #6
  • ✓ 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 2 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS26496 (AS-26496-GO-DADDY-COM-LLC - GoDaddy.com, LLC, US): 1 address; AS44273 (GODADDY-DNS - Host Europe GmbH, DE): 3 addresses.
  • i
    All nameserver names under .com
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
pdns07.domaincontrol.com 97.74.111.53NOERROR, 3 ms, authoritativenoyes / yesrefused-
pdns07.domaincontrol.com 2603:5:21f1::35NOERROR, 4 ms, authoritativenoyes / yesrefused-
pdns08.domaincontrol.com 173.201.79.53NOERROR, 4 ms, authoritativenoyes / yesrefused-
pdns08.domaincontrol.com 2603:5:22f1::35NOERROR, 4 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 4 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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 2026091100 · primary pdns07.domaincontrol.com

Found

Primary (MNAME)
pdns07.domaincontrol.com
Contact (RNAME)
dns.jomax.net
Serial
2026091100
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
600 s

Serial per nameserver

NameserverSerial
pdns07.domaincontrol.com (97.74.111.53)2026091100
pdns07.domaincontrol.com (2603:5:21f1::35)2026091100
pdns08.domaincontrol.com (173.201.79.53)2026091100
pdns08.domaincontrol.com (2603:5:22f1::35)2026091100

Checks

  • ✓ Serial 2026091100 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 10m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver pdns07.domaincontrol.com is one of the listed nameservers.
  • ✓ Contact dns@jomax.net #25
    The SOA RNAME dns.jomax.net means dns@jomax.net.
  • ✓ Date-based serial #26
    The serial 2026091100 follows the YYYYMMDDnn convention (2026-09-11).

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

20 records at the apex

Found

Read from
97.74.111.53:53
TypeValueTTL
SOApdns07.domaincontrol.com. dns.jomax.net. 2026091100 28800 7200 604800 600600
NSpdns07.domaincontrol.com.3600
NSpdns08.domaincontrol.com.3600
A104.18.12.179600
A104.18.13.179600
AAAA2606:4700::6812:cb3600
AAAA2606:4700::6812:db3600
MX10 mxb-00164a01.gslb.pphosted.com.1800
MX10 mxa-00164a01.gslb.pphosted.com.1800
TXT"google-site-verification=pXCR-Iq2VJ2PUVhfYKSNrUdHWaVoOX1h-0bpTKRp-Cs"1800
TXT"google-site-verification=kwUEvsVrYlouSbp3UC8itcPLWT8yoEODujrWC9nmtog"1800
TXT"_d7vg3o22qnl0ew6y4fbuonkfw4dbnn4"1800
TXT"11C4-8E18-EDB4-89FA-76CB-8B56-C7EF-704B"1800
TXT"v=spf1 include:spf-00164a01.pphosted.com include:emailcampaigns.net include:_spf.smtp.com include:spf.sendinblue.com include:_spf.silverchair.com ip4:199.164.8.15 ip4:199.164.8.16/31 ~all"1800
TXT"google-site-verification=8dNkZAPIIyLx3B10TBcLRKyb3g6voM8CVzS6QbtLnN0"1800
TXT"google-site-verification=IsPDG5DGyYynjH9E443Uqv12ysBHIVwJDX6E6X839Q4"1800
TXT"_qgv6bkjgdde4mun51c8vvc2iiok7ou4"1800
TXT"facebook-domain-verification=3n0btlewbmaha9k6eykrkhe0tu8qyu"1800
TXT"Sendinblue-code:df223facbc2f058cdbc202665de88aa9"1800
TXT"_s6cuvktq9adfhr3fooy0xwa5odo8vyu"1800

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, AAAA 10m, MX 30m, NS 1h. The NS TTL at the parent is 2d and in the zone 1h; 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