rsnexpress.com

Checked 22 October 2026, 10:33 UTC · via 8.8.8.8
✗Problems found
22 passed 3 warnings 1 failed 5 info

Registration

info

.com generic · Xin Net Technology Corporation · expires 2027-07-26

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Xin Net Technology Corporation
Registered
26 July 2020
Last changed
24 July 2024
Expires
26 July 2027
Status
active
Registry nameservers
ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.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 2027-07-26 #3
    The registration is valid until 2027-07-26 (276 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

ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.com
NS in the zone
ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.net, ns1.huaweicloud-dns.org
NameserverAddressesNetwork (AS)Glue
ns1.huaweicloud-dns.cn122.112.208.254 116.205.5.32 139.9.224.17 114.115.192.11 113.45.105.30 116.205.223.129 2407:c080:20:ffff:ffff:fffe:0:1AS55990 HWCSNET - Huawei Cloud Service data center, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN AS58519 CHINATELECOM-Ctcloud - Cloud Computing Corporation, CN AS4808 CHINA169-BJ - China Unicom Beijing Province Network, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN-
ns1.huaweicloud-dns.com114.115.192.11 116.205.223.128 116.205.5.31 122.112.208.253 139.9.224.17 2407:c080:20:ffff:ffff:fffe:0:1AS4808 CHINA169-BJ - China Unicom Beijing Province Network, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN AS58519 CHINATELECOM-Ctcloud - Cloud Computing Corporation, CN AS55990 HWCSNET - Huawei Cloud Service data center, CN116.205.223.128 116.205.5.31 122.112.208.253 139.9.224.17 2407:c080:20:ffff:ffff:fffe:0:1
ns1.huaweicloud-dns.net (zone only)159.138.160.107 159.138.17.112 159.138.208.3 159.138.112.111 190.92.196.2 2407:c080:20:ffff:ffff:fffe:0:1AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS55990 HWCSNET - Huawei Cloud Service data center, CN-
ns1.huaweicloud-dns.org (zone only)159.138.208.3 190.92.196.2 159.138.160.107 159.138.112.111 159.138.17.187 2407:c080:20:ffff:ffff:fffe:0:1AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS136907 HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK AS55990 HWCSNET - Huawei Cloud Service data center, CN-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.com.
    #6
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: ns1.huaweicloud-dns.net, ns1.huaweicloud-dns.org. ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.net, ns1.huaweicloud-dns.org report NS ns1.huaweicloud-dns.cn ns1.huaweicloud-dns.com ns1.huaweicloud-dns.net ns1.huaweicloud-dns.org.
    #7
  • !
    Glue differs from the zone
    The addresses at the parent (glue) differ from the addresses in the zone: ns1.huaweicloud-dns.com (glue 116.205.223.128, 116.205.5.31, 122.112.208.253, 139.9.224.17, 2407:c080:20:ffff:ffff:fffe:0:1, zone 114.115.192.11, 116.205.223.128, 116.205.5.31, 122.112.208.253, 139.9.224.17, 2407:c080:20:ffff:ffff:fffe:0:1). Update the glue at your registrar.
    #8
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • i
    One address family in one network
    all IPv6 addresses are in 2407:c080:20::/48, while the other address family is spread over several networks.
    #10
  • ✓ 4 autonomous systems #11
    The nameservers are spread over: AS136907 (HWCLOUDS-AS-AP - HUAWEI CLOUDS, HK): 10 addresses; AS4808 (CHINA169-BJ - China Unicom Beijing Province Network, CN): 2 addresses; AS55990 (HWCSNET - Huawei Cloud Service data center, CN): 11 addresses; AS58519 (CHINATELECOM-Ctcloud - Cloud Computing Corporation, CN): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .cn, .com.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

fail

24 of 25 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.huaweicloud-dns.cn 122.112.208.254NOERROR, 194 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.cn 116.205.5.32NOERROR, 181 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.cn 139.9.224.17no responsenono / no--
ns1.huaweicloud-dns.cn 114.115.192.11NOERROR, 155 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.cn 113.45.105.30NOERROR, 206 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.cn 116.205.223.129NOERROR, 199 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.cn 2407:c080:20:ffff:ffff:fffe:0:1NOERROR, 193 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.com 114.115.192.11NOERROR, 180 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.com 116.205.223.128NOERROR, 205 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.com 116.205.5.31NOERROR, 171 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.com 122.112.208.253NOERROR, 198 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.com 139.9.224.17NOERROR, 219 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.com 2407:c080:20:ffff:ffff:fffe:0:1NOERROR, 196 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.net 159.138.160.107NOERROR, 191 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.net 159.138.17.112NOERROR, 259 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.net 159.138.208.3NOERROR, 200 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.net 159.138.112.111NOERROR, 205 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.net 190.92.196.2NOERROR, 165 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.net 2407:c080:20:ffff:ffff:fffe:0:1NOERROR, 192 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.org 159.138.208.3NOERROR, 200 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.org 190.92.196.2NOERROR, 163 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.org 159.138.160.107NOERROR, 180 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.org 159.138.112.111NOERROR, 205 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.org 159.138.17.187NOERROR, 263 ms, authoritativenoyes / yesrefused-
ns1.huaweicloud-dns.org 2407:c080:20:ffff:ffff:fffe:0:1NOERROR, 194 ms, authoritativenoyes / yesrefused-

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: ns1.huaweicloud-dns.cn (139.9.224.17): read udp 46.225.38.91:34519->139.9.224.17:53: 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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 1 · primary ns1.huaweicloud-dns.org

Found

Primary (MNAME)
ns1.huaweicloud-dns.org
Contact (RNAME)
hwclouds\.cs.huawei.com
Serial
1
Refresh / retry
7200 s / 900 s
Expire
1209600 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
ns1.huaweicloud-dns.cn (122.112.208.254)1
ns1.huaweicloud-dns.cn (116.205.5.32)1
ns1.huaweicloud-dns.cn (114.115.192.11)1
ns1.huaweicloud-dns.cn (113.45.105.30)1
ns1.huaweicloud-dns.cn (116.205.223.129)1
ns1.huaweicloud-dns.cn (2407:c080:20:ffff:ffff:fffe:0:1)1
ns1.huaweicloud-dns.com (114.115.192.11)1
ns1.huaweicloud-dns.com (116.205.223.128)1
ns1.huaweicloud-dns.com (116.205.5.31)1
ns1.huaweicloud-dns.com (122.112.208.253)1
ns1.huaweicloud-dns.com (139.9.224.17)1
ns1.huaweicloud-dns.com (2407:c080:20:ffff:ffff:fffe:0:1)1
ns1.huaweicloud-dns.net (159.138.160.107)1
ns1.huaweicloud-dns.net (159.138.17.112)1
ns1.huaweicloud-dns.net (159.138.208.3)1
ns1.huaweicloud-dns.net (159.138.112.111)1
ns1.huaweicloud-dns.net (190.92.196.2)1
ns1.huaweicloud-dns.net (2407:c080:20:ffff:ffff:fffe:0:1)1
ns1.huaweicloud-dns.org (159.138.208.3)1
ns1.huaweicloud-dns.org (190.92.196.2)1
ns1.huaweicloud-dns.org (159.138.160.107)1
ns1.huaweicloud-dns.org (159.138.112.111)1
ns1.huaweicloud-dns.org (159.138.17.187)1
ns1.huaweicloud-dns.org (2407:c080:20:ffff:ffff:fffe:0:1)1

Checks

  • ✓ Serial 1 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 15m, expire 14d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.huaweicloud-dns.org is one of the listed nameservers.
  • ✓ Contact hwclouds.cs@huawei.com #25
    The SOA RNAME hwclouds\.cs.huawei.com means hwclouds.cs@huawei.com.
  • ✓ Counter serial #26
    The serial 1 is a plain counter.

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

6 records at the apex

Found

Read from
122.112.208.254:53
TypeValueTTL
SOAns1.huaweicloud-dns.org. hwclouds\.cs.huawei.com. 1 7200 900 1209600 300300
NSns1.huaweicloud-dns.cn.172800
NSns1.huaweicloud-dns.com.172800
NSns1.huaweicloud-dns.net.172800
NSns1.huaweicloud-dns.org.172800
A1.94.46.233300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, NS 2d.
  • ✓ 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