mail.qlbchina.com - robtex.com

mail.qlbchina.com

DNSSEC⚠️ Not signed
A2408:8615:400:b:112:253:53:140🇨🇳 CHINA169-Backbone2408:8615::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street
A144.123.190.140🇨🇳 CHINANET-BACKBONE144.123.0.0/16 CHINANET SHANDONG PROVINCE NETWORK
NSdns01.qlbchina.com ⚠️ Not in zone NS records
A2408:8615:400:9::11🇨🇳 CHINA169-Backbone2408:8615::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street
A2408:8615:400:b::11🇨🇳 CHINA169-Backbone2408:8615::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street
A2409:873c:400:15::11🇨🇳 CMNET-V4shandong-AS-AP2409:873c:400::/40 CMI (Customer Route)
A2409:873c:403:3::11🇨🇳 CMNET-V4shandong-AS-AP2409:873c:400::/40 CMI (Customer Route)
A240e:644:100:207::11🇨🇳 CHINANET-BACKBONE240e:644::/30 China Telecom (Shandong) Limited
A240e:946:4:1::11🇨🇳 CHINATELECOM-SHANDONG-JINAN-IDC240e:946::/33 Chinanet Shandong province JinanIDC network
A112.6.49.11🇨🇳 CMNET-V4shandong-AS-AP112.6.48.0/22 CMI (Customer Route)
A112.7.1.11🇨🇳 CMNET-V4shandong-AS-AP112.7.0.0/23 CMI (Customer Route)
A112.253.49.11🇨🇳 CHINA169-Backbone112.224.0.0/11 China Unicom CHINA169 Shandong Province Network
A112.253.52.11🇨🇳 CHINA169-Backbone112.224.0.0/11 China Unicom CHINA169 Shandong Province Network
A144.123.189.11🇨🇳 CHINANET-BACKBONE144.123.0.0/16 CHINANET SHANDONG PROVINCE NETWORK
A150.139.233.11🇨🇳 CHINATELECOM-SHANDONG-JINAN-IDC150.139.224.0/19 Chinanet Shandong province JinanIDC network

qlbchina.com

DNSSEC⚠️ Not signed
NSns11.xincache.com ⭐
NSns19.xincache.com
NSns20.xincache.com
MXmail.qlbchina.com ⭐
TXTs8p1sb04lmtgx4k53wr24ct7920ykqv1
TXTv=spf1 ip4:123.233.113.46 ip4:58.59.24.46 ip4:112.253.52.12 ip4:112.7.1.12 ip...
TXTm3vxgkg9wlwbj6ptyz9mp9wb7n09xxq3
SOAns11.xincache.comns12@xincache.com serial=1685347958
rank #281342 globally
rank #118496 in the tld
📈 Tranco rank: #747,303

PTR for

4.227.133.124.in-addr.arpa

MX for

qlbchina.com

Same first word

mail.guide
mail.chips.jp
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mail.simplesite.com
mail.gw
mail.tv
mail.jellybean.jp
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mail.charity
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mail.space
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mail.ilovecollege.info
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mail.co.uk
mail.net.mk
mail.rj.gov.br
mail.freedesktop.org
mail.direct
mail.yandex
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mail.vacations
mail.my

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DNS History

8 records (3 active, 5 former)

20162017201820192020202120222023202420252026NSdns01.qlbchina.comA144.123.190.1402408:8615:400:b:112:253:53:140112.253.53.140112.7.2.140124.133.227.42409:873c:400:15:112:7:2:140240e:644:100:207:144:123:190:140
●NSdns01.qlbchina.com2026-02-18 → 2026-04-27 · 2 obs
● 2026-02-18 19:03:48
● 2026-04-27 01:37:36
○A112.253.53.1402026-02-18 → 2026-04-25 · 14 obs
○ 2016-07-13 00:20:06
● 2026-02-18 19:03:48
○ 2026-02-20 21:12:40
● 2026-02-22 22:27:10
● 2026-03-05 00:56:42
○ 2026-03-07 07:21:02
○ 2026-03-09 19:53:00
● 2026-03-11 04:44:36
● 2026-03-21 05:58:42
○ 2026-03-26 00:05:38
○ 2026-04-25 02:23:30
● 2026-04-25 05:42:48
○ 2026-04-26 02:37:00
○ 2026-04-27 01:37:36
○A112.7.2.1402026-02-20 → 2026-04-26 · 13 obs
○ 2026-02-18 19:03:48
● 2026-02-20 21:12:40
○ 2026-02-22 22:27:10
○ 2026-03-07 07:21:02
● 2026-03-09 19:53:00
○ 2026-03-11 04:44:36
○ 2026-03-21 05:58:42
● 2026-03-26 00:05:38
● 2026-04-25 02:23:30
○ 2026-04-25 05:42:48
● 2026-04-26 02:37:00
○ 2026-04-27 01:37:32
○ 2026-04-27 01:37:36
○A124.133.227.42015-07-14 → 2016-07-13 · 4 obs
● 2015-07-14 04:04:40
● 2016-07-13 00:20:06
○ 2026-02-18 19:03:48
○ 2026-04-27 01:37:36
●A144.123.190.1402026-03-07 → 2026-04-27 · 6 obs
○ 2026-03-05 00:56:42
● 2026-03-07 07:21:02
○ 2026-03-09 19:53:00
○ 2026-04-26 02:37:00
● 2026-04-27 01:37:32
● 2026-04-27 01:37:36
●A2408:8615:400:b:112:253:53:1402026-03-07 → 2026-04-27 · 12 obs
○ 2026-02-18 19:03:48
○ 2026-03-05 00:56:42
● 2026-03-07 07:21:02
○ 2026-03-09 19:53:00
● 2026-03-11 04:44:36
● 2026-03-21 05:58:42
○ 2026-03-26 00:05:38
○ 2026-04-25 02:23:30
● 2026-04-25 05:42:48
○ 2026-04-26 02:37:00
● 2026-04-27 01:37:32
● 2026-04-27 01:37:36
○A2409:873c:400:15:112:7:2:1402026-02-18 → 2026-04-25 · 9 obs
○ 2016-07-13 00:20:06
● 2026-02-18 19:03:48
● 2026-02-23 03:38:08
○ 2026-03-05 00:56:42
○ 2026-03-21 05:58:42
● 2026-03-26 00:05:38
● 2026-04-25 02:23:30
○ 2026-04-25 05:42:48
○ 2026-04-27 01:37:36
○A240e:644:100:207:144:123:190:1402026-03-05 → 2026-04-26 · 9 obs
○ 2026-02-23 03:38:08
● 2026-03-05 00:56:42
○ 2026-03-07 07:21:02
● 2026-03-09 19:53:00
○ 2026-03-11 04:44:36
○ 2026-04-25 05:42:48
● 2026-04-26 02:37:00
○ 2026-04-27 01:37:32
○ 2026-04-27 01:37:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
qlbchina.comns19.xincache.com, ns20.xincache.com12 records
mail.qlbchina.comdns01.qlbchina.com-

✅ Authoritative Response

Server:112.7.1.11

NS records: dns01.qlbchina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qlbchina.com (unsigned zone)

⏱️ Timing

Total: 852ms | Queries: -

📄 Records

TypeCountSample Data
A1112.7.2.140
AAAA12409:873c:400:15:112:7:2:140

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

Mail Server Role

mail.qlbchina.com is the mail server for qlbchina.com.

IP Addresses

mail.qlbchina.com points to two IPs: 2408:8615:400:b:112:253:53:140 and 144.123.190.140.

Name Servers

mail.qlbchina.com is delegated to a single name server, dns01.qlbchina.com.

mail.qlbchina.com uses the same name server configuration as other domains, such as ebank-weix.qlbchina.com, corpbank-zq.qlbchina.com, corpbank-xj.qlbchina.com, ebank-sx.qlbchina.com and ebank-df.qlbchina.com.

Host dns01.qlbchina.com resolves to twelve IP numbers: 2408:8615:400:9::11, 2408:8615:400:b::11, 2409:873c:400:15::11, 2409:873c:403:3::11, 240e:644:100:207::11, 240e:946:4:1::11, 112.6.49.11, 112.7.1.11, 112.253.49.11, 112.253.52.11, 144.123.189.11 and 150.139.233.11.