jskejing.com

Checked 22 October 2026, 09:25 UTC · via 8.8.8.8
✗Problems found
20 passed 4 warnings 2 failed 5 info

Registration

info

.com generic · Xin Net Technology Corporation · expires 2028-12-29

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Xin Net Technology Corporation
Registered
29 December 2016
Last changed
30 December 2025
Expires
29 December 2028
Status
active
Registry nameservers
ns13.xincache.com, ns14.xincache.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 2028-12-29 #3
    The registration is valid until 2028-12-29 (798 days).
  • i
    No transfer lock
    The domain has no transfer lock (status: active). A registrar lock protects against unauthorized transfers.
    #4
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

warn

ns13.xincache.com, ns14.xincache.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns13.xincache.com, ns14.xincache.com
NS in the zone
ns13.xincache.com, ns14.xincache.com
NameserverAddressesNetwork (AS)Glue
ns13.xincache.com125.94.59.210 129.211.176.209 112.80.181.45 117.89.178.173 36.155.149.180 1.12.0.4 2402:4e00:1470:2::e 2402:4e00:1730::eAS4134 CHINANET-BACKBONE - No.31,Jin-rong Street, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN AS134756 ChinaNet-NANJING-JISHAN-IDC - CHINANET Nanjing Jishan IDC network, CN AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN1.12.0.4 112.80.181.45 117.89.178.173 129.211.176.209 2402:4e00:1470:2::e 36.155.149.180
ns14.xincache.com117.89.178.184 112.80.181.111 36.155.149.176 1.12.0.1 129.211.176.239 163.177.5.23 2402:4e00:111:fff::cAS134756 ChinaNet-NANJING-JISHAN-IDC - CHINANET Nanjing Jishan IDC network, CN AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network, CN AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN1.12.0.1 112.80.181.111 117.89.178.184 129.211.176.239 2402:4e00:111:fff::c 36.155.149.176

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns13.xincache.com, ns14.xincache.com.
    #6
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • !
    Glue differs from the zone
    The addresses at the parent (glue) differ from the addresses in the zone: ns13.xincache.com (glue 1.12.0.4, 112.80.181.45, 117.89.178.173, 129.211.176.209, 2402:4e00:1470:2::e, 36.155.149.180, zone 125.94.59.210, 129.211.176.209, 112.80.181.45, 117.89.178.173, 36.155.149.180, 1.12.0.4, 2402:4e00:1470:2::e, 2402:4e00:1730::e); ns14.xincache.com (glue 1.12.0.1, 112.80.181.111, 117.89.178.184, 129.211.176.239, 2402:4e00:111:fff::c, 36.155.149.176, zone 117.89.178.184, 112.80.181.111, 36.155.149.176, 1.12.0.1, 129.211.176.239, 163.177.5.23, 2402:4e00:111:fff::c). Update the glue at your registrar.
    #8
  • ✓ 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 7 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 6 autonomous systems #11
    The nameservers are spread over: AS134756 (ChinaNet-NANJING-JISHAN-IDC - CHINANET Nanjing Jishan IDC network, CN): 2 addresses; AS136958 (UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network, CN): 1 address; AS4134 (CHINANET-BACKBONE - No.31,Jin-rong Street, CN): 1 address; AS45090 (TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN): 7 addresses; AS4837 (CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN): 2 addresses; AS56046 (CMNET-Jiangsu-AP - China Mobile communications corporation, CN): 2 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

fail

14 of 15 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns13.xincache.com 125.94.59.210no responsenono / no--
ns13.xincache.com 129.211.176.209NOERROR, 232 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns13.xincache.com 112.80.181.45NOERROR, 162 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns13.xincache.com 117.89.178.173NOERROR, 180 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns13.xincache.com 36.155.149.180NOERROR, 242 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns13.xincache.com 1.12.0.4NOERROR, 5 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns13.xincache.com 2402:4e00:1470:2::eNOERROR, 219 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns13.xincache.com 2402:4e00:1730::eNOERROR, 242 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 117.89.178.184NOERROR, 185 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 112.80.181.111NOERROR, 163 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 36.155.149.176NOERROR, 193 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 1.12.0.1NOERROR, 4 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 129.211.176.239NOERROR, 189 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 163.177.5.23NOERROR, 159 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01
ns14.xincache.com 2402:4e00:111:fff::cNOERROR, 204 ms, authoritativenoyes / yesrefusedDNSPod AUTHORITY DNS 7.3.2512.01

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: ns13.xincache.com (125.94.59.210): read udp 46.225.38.91:33147->125.94.59.210:53: 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: ns13.xincache.com: "DNSPod AUTHORITY DNS 7.3.2512.01"; ns14.xincache.com: "DNSPod AUTHORITY DNS 7.3.2512.01". 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

warn

serial 1585211641 · primary ns13.xincache.com

Found

Primary (MNAME)
ns13.xincache.com
Contact (RNAME)
enterprise1dnsadmin.dnspod.com
Serial
1585211641
Refresh / retry
3600 s / 180 s
Expire
1209600 s
Negative TTL
180 s

Serial per nameserver

NameserverSerial
ns13.xincache.com (129.211.176.209)1585211641
ns13.xincache.com (112.80.181.45)1585211641
ns13.xincache.com (117.89.178.173)1585211641
ns13.xincache.com (36.155.149.180)1585211641
ns13.xincache.com (1.12.0.4)1585211641
ns13.xincache.com (2402:4e00:1470:2::e)1585211641
ns13.xincache.com (2402:4e00:1730::e)1585211641
ns14.xincache.com (117.89.178.184)1585211641
ns14.xincache.com (112.80.181.111)1585211641
ns14.xincache.com (36.155.149.176)1585211641
ns14.xincache.com (1.12.0.1)1585211641
ns14.xincache.com (129.211.176.239)1585211641
ns14.xincache.com (163.177.5.23)1585211641
ns14.xincache.com (2402:4e00:111:fff::c)1585211641

Checks

  • ✓ Serial 1585211641 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    negative caching TTL (minimum) 3m is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 1h, retry 3m, expire 14d, negative TTL 3m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns13.xincache.com is one of the listed nameservers.
  • ✓ Contact enterprise1dnsadmin@dnspod.com #25
    The SOA RNAME enterprise1dnsadmin.dnspod.com means enterprise1dnsadmin@dnspod.com.
  • ✓ Timestamp serial #26
    The serial 1585211641 is a Unix timestamp (2020-03-26 08:34 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

fail

3 records at the apex

Found

Read from
129.211.176.209:53
TypeValueTTL
SOAns13.xincache.com. enterprise1dnsadmin.dnspod.com. 1585211641 3600 180 1209600 180180
NSns14.xincache.com.86400
NSns13.xincache.com.86400

Checks

  • ✓ TTLs within range #32
    TTLs: NS 1d. The NS TTL at the parent is 2d and in the zone 1d; resolvers may use either.
  • ✗
    CNAME at the apex
    The zone apex is a CNAME to jskejing.gotoip1.com. A CNAME can't coexist with the SOA and NS records (RFC 1034); use your provider's ALIAS/flattening feature instead.
    #33
  • ✓ 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