doorway.work - robtex.com

doorway.work

DNSSEC⚠️ Not signed
A47.251.37.183🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
NSdns21.hichina.com
A2408:4009:501::29🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.110🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns22.hichina.com
A2408:4009:501::30🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.108🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
MXaspmx.l.google.com
A2607:f8b0:4004:c0b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
MXlzbkxsmayrhjeyvy6gmll6za2mvzup7ba(0x787878)yygma7gpkc6ximkq.mx-verification.google.com(15)
SOAdns21.hichina.comhostmaster@hichina.com 2026-06-04 #13

work

DNSSEC🔒 Signed (DS record present)
NSa.nic.work
NSb.nic.work
NSc.nic.work
NSx.nic.work
NSy.nic.work
NSz.nic.work
SOAa.nic.workadmin@tldns.godaddy serial=1784411430

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSdns21.hichina.comdns22.hichina.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comlzbkxsmayrhjeyvy6gmll6za2mvzup7ba(0x787878)yygma7gpkc6ximkq.mx-verification.google.comA47.251.37.183
NSdns21.hichina.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
NSdns22.hichina.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
MXalt1.aspmx.l.google.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
MXalt2.aspmx.l.google.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
MXalt3.aspmx.l.google.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
MXalt4.aspmx.l.google.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
MXaspmx.l.google.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
MXlzbkxsmayrhjeyvy6gmll6za2mvzup7ba(0x787878)yygma7gpkc6ximkq.mx-verification.google.com2026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36
A47.251.37.1832026-04-25 → 2026-07-18 · 2 obs
● 2026-04-25 23:23:00
● 2026-07-18 22:23:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
worka.nic.work, b.nic.work, c.nic.work, x.nic.work...12 records
doorway.workdns21.hichina.com, dns22.hichina.com-

✅ Authoritative Response

Server:39.96.153.60

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doorway.work (unsigned zone)

⏱️ Timing

Total: 1453ms | Queries: -

📄 Records

TypeCountSample Data
A147.251.37.183
NS2dns22.hichina.com, dns21.hichina.com
MX6alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)...
SOA1dns21.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.work, b.nic.work, c.nic.work...)

Analysis

IP Addresses

doorway.work has exactly one IP address — 47.251.37.183.

Name Servers

doorway.work is served by two delegated name servers, dns21.hichina.com and dns22.hichina.com.

The name server configuration of doorway.work is shared with other domains, for instance bbimp.com, mlsxt.com, changancap.com and two others.

doorway.work partially shares its name servers with domains like sanjielianmeng.com and gwzp.com.cn.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Hosts with 9 IP addresses each:

dns21.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.

dns22.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.

Mail Servers

The MX records for doorway.work point to 6 mail servers — aspmx.l.google.com, lzbkxsmayrhjeyvy6gmll6za2mvzup7ba(0x787878)yygma7gpkc6ximkq.mx-verification.google.com, alt1.aspmx.l.google.com and 3 other.

At least some of the mail servers used by doorway.work are shared with other domains: jpmt.org, gdc.co.id, ns500759.ns500698.ns500759.ns500698.ns500736.ns500698.ns500698.ns500698.ns500576.ns500698.ns500686.ns500686.ns500652.ns500619.trackreceptor.com and two others among them.

It is common to find these mail servers paired with the mail servers alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com, as well as two others.

Host names pointing to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 142.251.111.27 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1a.