priceless.com

Checked 22 October 2026, 10:21 UTC · via 8.8.8.8
✗Problems found
25 passed 2 warnings 1 failed 3 info

Registration

fail

.com generic · CSC Corporate Domains, Inc. · expires 2026-11-02

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
3 November 1997
Last changed
1 September 2026
Expires
2 November 2026
Status
client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
a1-135.akam.net, a18-64.akam.net, blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.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 in 10 days
    The registration expires on 2026-11-02. Renew it now or enable auto-renewal.
    #3
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

a1-135.akam.net, a18-64.akam.net, blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-135.akam.net, a18-64.akam.net, blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org
NS in the zone
a1-135.akam.net, a18-64.akam.net, blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org
NameserverAddressesNetwork (AS)Glue
a1-135.akam.net193.108.91.135 2600:1401:2::87AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a18-64.akam.net95.101.36.64 2600:1480:4800::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
blue.foundationdns.com108.162.198.1 172.64.40.1 162.159.60.1 2803:f800:52::a29f:3c01 2606:4700:57::6ca2:c601 2a06:98c1:56::ac40:2801AS13335 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., US108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801
blue.foundationdns.net162.159.60.31 172.64.40.31 108.162.198.31 2a06:98c1:56::ac40:281f 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1fAS13335 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., US-
blue.foundationdns.org172.64.40.61 108.162.198.61 162.159.60.61 2a06:98c1:56::ac40:283d 2803:f800:52::a29f:3c3d 2606:4700:57::6ca2:c63dAS13335 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., US-

Checks

  • ✓ 5 nameservers #6
    Delegated to a1-135.akam.net, a18-64.akam.net, blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.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 5 IPv4 /24s and 5 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS13335 (CLOUDFLARENET - Cloudflare, Inc., US): 18 addresses; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 4 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

22 of 22 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-135.akam.net 193.108.91.135NOERROR, 3 ms, authoritativenoyes / yesrefused41824.4
a1-135.akam.net 2600:1401:2::87NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a18-64.akam.net 95.101.36.64NOERROR, 3 ms, authoritativenoyes / yesrefused48878.32
a18-64.akam.net 2600:1480:4800::40NOERROR, 4 ms, authoritativenoyes / yesrefused48878.33
blue.foundationdns.com 108.162.198.1NOERROR, 11 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.com 172.64.40.1NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.com 162.159.60.1NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.com 2803:f800:52::a29f:3c01NOERROR, 6 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.com 2606:4700:57::6ca2:c601NOERROR, 12 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.com 2a06:98c1:56::ac40:2801NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.net 162.159.60.31NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.net 172.64.40.31NOERROR, 6 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.net 108.162.198.31NOERROR, 12 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.net 2a06:98c1:56::ac40:281fNOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.net 2606:4700:57::6ca2:c61fNOERROR, 11 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.net 2803:f800:52::a29f:3c1fNOERROR, 6 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.org 172.64.40.61NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.org 108.162.198.61NOERROR, 13 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.org 162.159.60.61NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.org 2a06:98c1:56::ac40:283dNOERROR, 10 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.org 2803:f800:52::a29f:3c3dNOERROR, 6 ms, authoritativenoyes / yesrefused2026.10.0
blue.foundationdns.org 2606:4700:57::6ca2:c63dNOERROR, 12 ms, authoritativenoyes / yesrefused2026.10.0

Checks

  • ✓ All respond #14
    All 22 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: a1-135.akam.net: "41824.4"; a1-135.akam.net: "41824.5"; a18-64.akam.net: "48878.32"; a18-64.akam.net: "48878.33"; blue.foundationdns.com: "2026.10.0"; blue.foundationdns.net: "2026.10.0"; blue.foundationdns.org: "2026.10.0". 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

info

serial 2011013106 · primary dns2.mastercard.com

Found

Primary (MNAME)
dns2.mastercard.com
Contact (RNAME)
hostmaster.mastercard.com
Serial
2011013106
Refresh / retry
14400 s / 3600 s
Expire
2419200 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
a1-135.akam.net (193.108.91.135)2011013106
a1-135.akam.net (2600:1401:2::87)2011013106
a18-64.akam.net (95.101.36.64)2011013106
a18-64.akam.net (2600:1480:4800::40)2011013106
blue.foundationdns.com (108.162.198.1)2011013106
blue.foundationdns.com (172.64.40.1)2011013106
blue.foundationdns.com (162.159.60.1)2011013106
blue.foundationdns.com (2803:f800:52::a29f:3c01)2011013106
blue.foundationdns.com (2606:4700:57::6ca2:c601)2011013106
blue.foundationdns.com (2a06:98c1:56::ac40:2801)2011013106
blue.foundationdns.net (162.159.60.31)2011013106
blue.foundationdns.net (172.64.40.31)2011013106
blue.foundationdns.net (108.162.198.31)2011013106
blue.foundationdns.net (2a06:98c1:56::ac40:281f)2011013106
blue.foundationdns.net (2606:4700:57::6ca2:c61f)2011013106
blue.foundationdns.net (2803:f800:52::a29f:3c1f)2011013106
blue.foundationdns.org (172.64.40.61)2011013106
blue.foundationdns.org (108.162.198.61)2011013106
blue.foundationdns.org (162.159.60.61)2011013106
blue.foundationdns.org (2a06:98c1:56::ac40:283d)2011013106
blue.foundationdns.org (2803:f800:52::a29f:3c3d)2011013106
blue.foundationdns.org (2606:4700:57::6ca2:c63d)2011013106

Checks

  • ✓ Serial 2011013106 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 28d, negative TTL 5m.
  • i
    Hidden master
    The primary nameserver dns2.mastercard.com is not listed as a nameserver: a hidden master that only feeds the public secondaries. That is a common setup; make sure it is not reachable for zone transfers from outside.
    #24
  • ✓ Contact hostmaster@mastercard.com #25
    The SOA RNAME hostmaster.mastercard.com means hostmaster@mastercard.com.
  • ✓ Date-based serial #26
    The serial 2011013106 follows the YYYYMMDDnn convention (2011-01-31).

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

13 records at the apex

Found

Read from
193.108.91.135:53
TypeValueTTL
SOAdns2.mastercard.com. hostmaster.mastercard.com. 2011013106 14400 3600 2419200 3003600
NSa18-64.akam.net.3600
NSblue.foundationdns.net.3600
NSblue.foundationdns.org.3600
NSa1-135.akam.net.3600
NSblue.foundationdns.com.3600
A216.119.218.1003600
MX10 mxb-00078002.gslb.pphosted.com.3600
MX10 mxa-00078002.gslb.pphosted.com.3600
TXT"MS=ms25601258"3600
TXT"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"3600
TXT"8045-3EBB-B5FC-AEF3-14D1-AC67-1088-D900"3600
TXT"facebook-domain-verification=aqg7gvf250hhwmmc4viqx9vx8su8lt"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 1h, 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