sears.com

Checked 22 October 2026, 10:35 UTC · via 8.8.8.8
!Passed with warnings
25 passed 2 warnings 0 failed 4 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2028-02-20

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
19 February 1992
Last changed
16 February 2026
Expires
20 February 2028
Status
client transfer prohibited
Registry nameservers
marek.ns.cloudflare.com, savanna.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 2028-02-20 #3
    The registration is valid until 2028-02-20 (485 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

marek.ns.cloudflare.com, savanna.ns.cloudflare.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
marek.ns.cloudflare.com, savanna.ns.cloudflare.com
NS in the zone
marek.ns.cloudflare.com, savanna.ns.cloudflare.com
NameserverAddressesNetwork (AS)Glue
marek.ns.cloudflare.com172.64.33.202 108.162.193.202 173.245.59.202 2a06:98c1:50::ac40:21ca 2803:f800:50::6ca2:c1ca 2606:4700:58::adf5:3bcaAS13335 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., US108.162.193.202 172.64.33.202 173.245.59.202 2606:4700:58::adf5:3bca 2803:f800:50::6ca2:c1ca 2a06:98c1:50::ac40:21ca
savanna.ns.cloudflare.com108.162.194.136 162.159.38.136 172.64.34.136 2a06:98c1:50::ac40:2288 2803:f800:50::6ca2:c288 2606:4700:50::a29f:2688AS13335 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., US108.162.194.136 162.159.38.136 172.64.34.136 2606:4700:50::a29f:2688 2803:f800:50::6ca2:c288 2a06:98c1:50::ac40:2288

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: marek.ns.cloudflare.com, savanna.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
marek.ns.cloudflare.com 172.64.33.202NOERROR, 5 ms, authoritativenoyes / yesrefused2026.10.2
marek.ns.cloudflare.com 108.162.193.202NOERROR, 6 ms, authoritativenoyes / yesrefused2026.10.2
marek.ns.cloudflare.com 173.245.59.202NOERROR, 7 ms, authoritativenoyes / yesrefused2026.10.2
marek.ns.cloudflare.com 2a06:98c1:50::ac40:21caNOERROR, 9 ms, authoritativenoyes / yesrefused2026.10.2
marek.ns.cloudflare.com 2803:f800:50::6ca2:c1caNOERROR, 10 ms, authoritativenoyes / yesrefused2026.10.2
marek.ns.cloudflare.com 2606:4700:58::adf5:3bcaNOERROR, 9 ms, authoritativenoyes / yesrefused2026.10.2
savanna.ns.cloudflare.com 108.162.194.136NOERROR, 6 ms, authoritativenoyes / yesrefused2026.10.2
savanna.ns.cloudflare.com 162.159.38.136NOERROR, 32 ms, authoritativenoyes / yesrefused2026.10.2
savanna.ns.cloudflare.com 172.64.34.136NOERROR, 7 ms, authoritativenoyes / yesrefused2026.10.2
savanna.ns.cloudflare.com 2a06:98c1:50::ac40:2288NOERROR, 10 ms, authoritativenoyes / yesrefused2026.10.2
savanna.ns.cloudflare.com 2803:f800:50::6ca2:c288NOERROR, 9 ms, authoritativenoyes / yesrefused2026.10.2
savanna.ns.cloudflare.com 2606:4700:50::a29f:2688NOERROR, 9 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: marek.ns.cloudflare.com: "2026.10.2"; savanna.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 2417904594 · primary marek.ns.cloudflare.com

Found

Primary (MNAME)
marek.ns.cloudflare.com
Contact (RNAME)
dns.cloudflare.com
Serial
2417904594
Refresh / retry
10000 s / 2400 s
Expire
604800 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
marek.ns.cloudflare.com (172.64.33.202)2417904594
marek.ns.cloudflare.com (108.162.193.202)2417904594
marek.ns.cloudflare.com (173.245.59.202)2417904594
marek.ns.cloudflare.com (2a06:98c1:50::ac40:21ca)2417904594
marek.ns.cloudflare.com (2803:f800:50::6ca2:c1ca)2417904594
marek.ns.cloudflare.com (2606:4700:58::adf5:3bca)2417904594
savanna.ns.cloudflare.com (108.162.194.136)2417904594
savanna.ns.cloudflare.com (162.159.38.136)2417904594
savanna.ns.cloudflare.com (172.64.34.136)2417904594
savanna.ns.cloudflare.com (2a06:98c1:50::ac40:2288)2417904594
savanna.ns.cloudflare.com (2803:f800:50::6ca2:c288)2417904594
savanna.ns.cloudflare.com (2606:4700:50::a29f:2688)2417904594

Checks

  • ✓ Serial 2417904594 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 marek.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 2417904594 is a Unix timestamp (2046-08-15 00:09 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

pass

33 records at the apex

Found

Read from
172.64.33.202:53
TypeValueTTL
SOAmarek.ns.cloudflare.com. dns.cloudflare.com. 2417904594 10000 2400 604800 18001800
NSmarek.ns.cloudflare.com.86400
NSsavanna.ns.cloudflare.com.86400
A104.18.35.92300
A172.64.152.164300
AAAA2a06:98c1:310a::ac40:98a4300
AAAA2a06:98c1:3108::6812:235c300
MX10 sears-com.mail.protection.outlook.com.300
TXT"MS=ms49248242"300
TXT"ahrefs-site-verification_8ebad1537d22c63a85d2c0656593429cf739d9ab1013a4eb518704f492e093ce"300
TXT"facebook-domain-verification=jf792d6mepcmifc2evg9iqvq32kukl"300
TXT"google-site-verification=zoodjgqT9flscehx6fL4Eh7piyyd86yTwHbI5sy8GLM"300
TXT"tzh7jc9pmvpjgxy7g3c0ttr1vzv5jsdt"300
TXT"v=DMARC1; p=none; fo=1; rua=mailto:dmarc.intra.seller.sears@searshc.com; ruf=mailto:dmarc.intra.seller.sears@searshc.com; rf=afrf; pct=100"300
TXT"v=spf1 ip4:64.73.153.164 ip4:18.219.232.151 ip4:18.216.31.118 include:spf.protection.outlook.com ~all"300
CAA0 issue "amazon.com"300
CAA0 issue "amazonaws.com"300
CAA0 issue "amazontrust.com"300
CAA0 issue "awstrust.com"300
CAA0 issue "comodoca.com"300
CAA0 issue "digicert.com; cansignhttpexchanges=yes"300
CAA0 issue "letsencrypt.org"300
CAA0 issue "pki.goog; cansignhttpexchanges=yes"300
CAA0 issue "ssl.com"300
CAA0 issuewild "amazon.com"300
CAA0 issuewild "amazonaws.com"300
CAA0 issuewild "amazontrust.com"300
CAA0 issuewild "awstrust.com"300
CAA0 issuewild "comodoca.com"300
CAA0 issuewild "digicert.com; cansignhttpexchanges=yes"300
CAA0 issuewild "letsencrypt.org"300
CAA0 issuewild "pki.goog; cansignhttpexchanges=yes"300
CAA0 issuewild "ssl.com"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, AAAA 5m, MX 5m, 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: amazon.com, amazonaws.com, amazontrust.com, awstrust.com, comodoca.com, digicert.com, letsencrypt.org, pki.goog, ssl.com.