wpbeginner.com

Checked 22 October 2026, 11:33 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 warnings 0 failed 5 info

Registration

info

.com generic · GoDaddy.com, LLC · expires 2028-04-24

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
GoDaddy.com, LLC
Registered
24 April 2009
Last changed
14 October 2026
Expires
24 April 2028
Status
client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited
Registry nameservers
heidi.ns.cloudflare.com, peter.ns.cloudflare.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 2028-04-24 #3
    The registration is valid until 2028-04-24 (549 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

heidi.ns.cloudflare.com, peter.ns.cloudflare.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
heidi.ns.cloudflare.com, peter.ns.cloudflare.com
NS in the zone
heidi.ns.cloudflare.com, peter.ns.cloudflare.com
NameserverAddressesNetwork (AS)Glue
heidi.ns.cloudflare.com162.159.38.236 172.64.34.236 108.162.194.236 2606:4700:50::a29f:26ec 2803:f800:50::6ca2:c2ec 2a06:98c1:50::ac40:22ecAS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US108.162.194.236 162.159.38.236 172.64.34.236 2606:4700:50::a29f:26ec 2803:f800:50::6ca2:c2ec 2a06:98c1:50::ac40:22ec
peter.ns.cloudflare.com172.64.35.3 108.162.195.3 162.159.44.3 2606:4700:58::a29f:2c03 2a06:98c1:50::ac40:2303 2803:f800:50::6ca2:c303AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US108.162.195.3 162.159.44.3 172.64.35.3 2606:4700:58::a29f:2c03 2803:f800:50::6ca2:c303 2a06:98c1:50::ac40:2303

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: heidi.ns.cloudflare.com, peter.ns.cloudflare.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 6 IPv4 /24s and 4 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS13335 (CLOUDFLARENET - Cloudflare, Inc., US): 12 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • 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

warn

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
heidi.ns.cloudflare.com 162.159.38.236NOERROR, 32 ms, authoritativenoyes / yesrefused2026.10.2
heidi.ns.cloudflare.com 172.64.34.236NOERROR, 14 ms, authoritativenoyes / yesrefused2026.10.2
heidi.ns.cloudflare.com 108.162.194.236NOERROR, 14 ms, authoritativenoyes / yesrefused2026.10.2
heidi.ns.cloudflare.com 2606:4700:50::a29f:26ecNOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
heidi.ns.cloudflare.com 2803:f800:50::6ca2:c2ecNOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
heidi.ns.cloudflare.com 2a06:98c1:50::ac40:22ecNOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
peter.ns.cloudflare.com 172.64.35.3NOERROR, 14 ms, authoritativenoyes / yesrefused2026.10.2
peter.ns.cloudflare.com 108.162.195.3NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
peter.ns.cloudflare.com 162.159.44.3NOERROR, 32 ms, authoritativenoyes / yesrefused2026.10.2
peter.ns.cloudflare.com 2606:4700:58::a29f:2c03NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
peter.ns.cloudflare.com 2a06:98c1:50::ac40:2303NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
peter.ns.cloudflare.com 2803:f800:50::6ca2:c303NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: heidi.ns.cloudflare.com: "2026.10.2"; peter.ns.cloudflare.com: "2026.10.2". 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

pass

serial 2418098333 · primary heidi.ns.cloudflare.com

Found

Primary (MNAME)
heidi.ns.cloudflare.com
Contact (RNAME)
dns.cloudflare.com
Serial
2418098333
Refresh / retry
10000 s / 2400 s
Expire
604800 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
heidi.ns.cloudflare.com (162.159.38.236)2418098333
heidi.ns.cloudflare.com (172.64.34.236)2418098333
heidi.ns.cloudflare.com (108.162.194.236)2418098333
heidi.ns.cloudflare.com (2606:4700:50::a29f:26ec)2418098333
heidi.ns.cloudflare.com (2803:f800:50::6ca2:c2ec)2418098333
heidi.ns.cloudflare.com (2a06:98c1:50::ac40:22ec)2418098333
peter.ns.cloudflare.com (172.64.35.3)2418098333
peter.ns.cloudflare.com (108.162.195.3)2418098333
peter.ns.cloudflare.com (162.159.44.3)2418098333
peter.ns.cloudflare.com (2606:4700:58::a29f:2c03)2418098333
peter.ns.cloudflare.com (2a06:98c1:50::ac40:2303)2418098333
peter.ns.cloudflare.com (2803:f800:50::6ca2:c303)2418098333

Checks

  • ✓ Serial 2418098333 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h46m40s, retry 40m, expire 7d, negative TTL 30m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver heidi.ns.cloudflare.com is one of the listed nameservers.
  • ✓ Contact dns@cloudflare.com #25
    The SOA RNAME dns.cloudflare.com means dns@cloudflare.com.
  • ✓ Timestamp serial #26
    The serial 2418098333 is a Unix timestamp (2046-08-17 05:58 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

18 records at the apex

Found

Read from
162.159.38.236:53
TypeValueTTL
SOAheidi.ns.cloudflare.com. dns.cloudflare.com. 2418098333 10000 2400 604800 18001800
NSheidi.ns.cloudflare.com.86400
NSpeter.ns.cloudflare.com.86400
A104.26.9.28300
A104.26.8.28300
A172.67.72.181300
AAAA2606:4700:20::681a:91c300
AAAA2606:4700:20::ac43:48b5300
AAAA2606:4700:20::681a:81c300
MX10 aspmx.l.google.com.14400
MX20 alt1.aspmx.l.google.com.14400
MX20 alt2.aspmx.l.google.com.14400
MX30 aspmx2.googlemail.com.14400
MX30 aspmx3.googlemail.com.14400
MX30 aspmx4.googlemail.com.14400
MX30 aspmx5.googlemail.com.14400
TXT"google-site-verification=dTD4cIQ9a1Rr3R1Z5yje6qcMHf9ECofxdwgRX-ZseG0"300
TXT"v=spf1 +a +mx +ip4:198.1.79.173 include:_spf.google.com include:servers.mcsv.net -all"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, AAAA 5m, MX 4h, NS 1d. The NS TTL at the parent is 2d and in the zone 1d; 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