parker.com

Checked 22 October 2026, 10:12 UTC · via 8.8.8.8
✗Problems found
25 passed 2 warnings 1 failed 3 info

Registration

info

.com generic · Key-Systems GmbH · expires 2027-02-25

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Key-Systems GmbH
Registered
24 February 1995
Last changed
24 January 2026
Expires
25 February 2027
Status
client transfer prohibited
Registry nameservers
a1-138.akam.net, a11-66.akam.net, a16-67.akam.net, a18-67.akam.net, a26-66.akam.net, a5-67.akam.net, wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.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 2027-02-25 #3
    The registration is valid until 2027-02-25 (125 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

info

a1-138.akam.net, a11-66.akam.net, a16-67.akam.net, a18-67.akam.net, a26-66.akam.net, a5-67.akam.net, wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-138.akam.net, a11-66.akam.net, a16-67.akam.net, a18-67.akam.net, a26-66.akam.net, a5-67.akam.net, wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.com
NS in the zone
a1-138.akam.net, a11-66.akam.net, a16-67.akam.net, a18-67.akam.net, a26-66.akam.net, a5-67.akam.net, wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.com
NameserverAddressesNetwork (AS)Glue
a1-138.akam.net193.108.91.138 2600:1401:2::8aAS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a11-66.akam.net84.53.139.66 2600:1480:1::42AS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a16-67.akam.net23.211.132.67 2600:1406:1b::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a18-67.akam.net95.101.36.67 2600:1480:4800::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a26-66.akam.net23.74.25.66 2600:1480:b800::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a5-67.akam.net95.100.168.67 2600:1480:b000::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
wall.parker.com12.4.27.199AS2386 INS-AS - AT&T Enterprises, LLC, US12.4.27.199
wall2.parker.com223.197.118.68AS4515 PCCW-AS-AP - PCCW IMS Ltd (PCCW Business Internet Access), HK223.197.118.68
wall3.parker.com12.4.27.198AS2386 INS-AS - AT&T Enterprises, LLC, US12.4.27.198
wall4.parker.com31.221.5.139AS25180 EXPONENTIAL-E-AS - Exponential-E Ltd., GB31.221.5.139

Checks

  • ✓ 10 nameservers #6
    Delegated to a1-138.akam.net, a11-66.akam.net, a16-67.akam.net, a18-67.akam.net, a26-66.akam.net, a5-67.akam.net, wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.com.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.com.
  • ✓ 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 9 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 5 autonomous systems #11
    The nameservers are spread over: AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL): 1 address; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 11 addresses; AS2386 (INS-AS - AT&T Enterprises, LLC, US): 2 addresses; AS25180 (EXPONENTIAL-E-AS - Exponential-E Ltd., GB): 1 address; AS4515 (PCCW-AS-AP - PCCW IMS Ltd (PCCW Business Internet Access), HK): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: wall.parker.com, wall2.parker.com, wall3.parker.com, wall4.parker.com.
    #13

Nameservers

fail

14 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-138.akam.net 193.108.91.138NOERROR, 3 ms, authoritativenoyes / yesrefused41824.7
a1-138.akam.net 2600:1401:2::8aNOERROR, 4 ms, authoritativenoyes / yesrefused41824.4
a11-66.akam.net 84.53.139.66NOERROR, 4 ms, authoritativenoyes / yesrefused41824.8
a11-66.akam.net 2600:1480:1::42NOERROR, 4 ms, authoritativenoyes / yesrefused41824.6
a16-67.akam.net 23.211.132.67NOERROR, 3 ms, authoritativenoyes / yesrefused48878.30
a16-67.akam.net 2600:1406:1b::43NOERROR, 4 ms, authoritativenoyes / yesrefused48878.33
a18-67.akam.net 95.101.36.67NOERROR, 5 ms, authoritativenoyes / yesrefused48878.27
a18-67.akam.net 2600:1480:4800::43NOERROR, 5 ms, authoritativenoyes / yesrefused48878.29
a26-66.akam.net 23.74.25.66NOERROR, 4 ms, authoritativenoyes / yesrefused48878.33
a26-66.akam.net 2600:1480:b800::42NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
a5-67.akam.net 95.100.168.67NOERROR, 3 ms, authoritativenoyes / yesrefused41824.10
a5-67.akam.net 2600:1480:b000::43NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
wall.parker.com 12.4.27.199no responsenono / no--
wall2.parker.com 223.197.118.68NOERROR, 251 ms, authoritativenoyes / yesrefused-
wall3.parker.com 12.4.27.198no responsenono / no--
wall4.parker.com 31.221.5.139NOERROR, 16 ms, authoritativenoyes / yesrefused-

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: wall.parker.com (12.4.27.199): read udp 46.225.38.91:50441->12.4.27.199:53: i/o timeout; wall3.parker.com (12.4.27.198): read udp 46.225.38.91:54792->12.4.27.198:53: i/o timeout.
    #14
  • ✓ 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: a1-138.akam.net: "41824.7"; a1-138.akam.net: "41824.4"; a11-66.akam.net: "41824.8"; a11-66.akam.net: "41824.6"; a16-67.akam.net: "48878.30"; a16-67.akam.net: "48878.33"; a18-67.akam.net: "48878.27"; a18-67.akam.net: "48878.29"; a26-66.akam.net: "48878.33"; a26-66.akam.net: "48878.27"; a5-67.akam.net: "41824.10"; a5-67.akam.net: "41824.5". 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 2009033392 · primary wall.parker.com

Found

Primary (MNAME)
wall.parker.com
Contact (RNAME)
hostmaster.parker.com
Serial
2009033392
Refresh / retry
1800 s / 900 s
Expire
1209600 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
a1-138.akam.net (193.108.91.138)2009033392
a1-138.akam.net (2600:1401:2::8a)2009033392
a11-66.akam.net (84.53.139.66)2009033392
a11-66.akam.net (2600:1480:1::42)2009033392
a16-67.akam.net (23.211.132.67)2009033392
a16-67.akam.net (2600:1406:1b::43)2009033392
a18-67.akam.net (95.101.36.67)2009033392
a18-67.akam.net (2600:1480:4800::43)2009033392
a26-66.akam.net (23.74.25.66)2009033392
a26-66.akam.net (2600:1480:b800::42)2009033392
a5-67.akam.net (95.100.168.67)2009033392
a5-67.akam.net (2600:1480:b000::43)2009033392
wall2.parker.com (223.197.118.68)2009033392
wall4.parker.com (31.221.5.139)2009033392

Checks

  • ✓ Serial 2009033392 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 30m, retry 15m, expire 14d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver wall.parker.com is one of the listed nameservers.
  • ✓ Contact hostmaster@parker.com #25
    The SOA RNAME hostmaster.parker.com means hostmaster@parker.com.
  • ✓ Timestamp serial #26
    The serial 2009033392 is a Unix timestamp (2033-08-30 16:49 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

40 records at the apex

Found

Read from
193.108.91.138:53
TypeValueTTL
SOAwall.parker.com. hostmaster.parker.com. 2009033392 1800 900 1209600 300900
NSwall.parker.com.900
NSwall2.parker.com.900
NSa16-67.akam.net.900
NSa18-67.akam.net.900
NSwall4.parker.com.900
NSa1-138.akam.net.900
NSa26-66.akam.net.900
NSa5-67.akam.net.900
NSwall3.parker.com.900
NSa11-66.akam.net.900
A20.49.104.483600
MX20 mail02.parker.com.900
MX20 mail01.parker.com.900
MX10 mxa-002a1601.gslb.pphosted.com.900
MX10 mxb-002a1601.gslb.pphosted.com.900
TXT"smartsheet-site-validation=Ec8rT1Tlr-oF7IPPPytbKcCW-3Odb44d"900
TXT"MS=ms25994049"900
TXT"102504131106"900
TXT"infor-cloudsuite-domain-verification=8U9VMD42LHUWLY7WPFPJ4PYLUH349QAYWXS5A2UX5AJG5LC8D9TMUMN5R4KK9MD9"900
TXT"atlassian-domain-verification=GaHBj/FbPjD/S11fUefYEwjq/stw4eWiViKGju2n/S7b2PR3gyXwSKeLzl7dOK08"900
TXT"Dynatrace-site-verification=974451bd-4328-4bfe-9122-27d6a34cc8f9__55u0kd3458gad77143jauq4a6n"900
TXT"box-domain-verification=54a9caa59fd0d318adf20ca7eec84b388bab38b2d9dcc95aa9db48cce279d23a"900
TXT"apple-domain-verification=jac0oSFaf9lH2Hty"900
TXT"DomainVerification=3SD8RSC6IPTLBJFAT0B800TS7CV1CCFSEEFR6E4679F0LKVBO7RVRX2AXKSY3C7N"900
TXT"20250816949"900
TXT"onetrust-domain-verification=d460af37cbe4419badf2b820dc6743b4"900
TXT"google-site-verification=vb-Wx0lHF6MZZUUCjdb0fdnstrmH5HhRgKio9ib_N5k"900
TXT"atlassian-domain-verification=iluE7DZ1lY8IYpvAUjPh3JEMxQ4qFGl8w3aRqiKtRrtnxg/AXq5sSUNeOtd6GnTD"900
TXT"TEST-20240912-185755"900
TXT"v=spf1 include:spf_dc0.parker.com include:spf-002a1601.pphosted.com include:spf-002a1603.pphosted.com -all"900
TXT"202411108-1241"900
TXT"google-site-verification=f02vPfpN2VMFwMG66XNE3cRBcC5kryZ6apRW9WTGIfI"900
TXT"vmware-cloud-verification-06bd5ae9-ecfd-409f-a086-b28ee76a17ba"900
TXT"google-site-verification=6fgrf9vFhYFQVkVMEHoWymgWIwKsPI3_MLDKAGe2Wa8"900
TXT"google-site-verification=AzA5pRbRZjKSb9JPRPnhIbU-D2TeXJ-EY9lw0TXiiI4"900
TXT"autodesk-domain-verification=bBCAbKquSGULFdP_MY2q"900
TXT"G+8by2saWc8XiRTIBBHTugb/EttrZk3YOBvp5Avj+G4mdH3CphhleKmf7ryck/O/6dq5G1fu5oAuS3KWtsjHiw=="900
TXT"xI9yJ1Rnp+IRugJLRx1pvlGvWdLwg1mLxj9ezYc40c12LvD/Jj0R7+MPHduTpw0trZEq8adg9ve7jh1uT3Ajug=="900
TXT"atlassian-domain-verification=A4YvBpp/5GReOOUyohuTfOfS6MQnJiE2oRchhgbHOhLz1tzn/L21F1LKg/nHs7px"900

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 15m, 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