mail.couplebyte.com - robtex.com

mail.couplebyte.com

CNAMEexmail.qq.com
DNSSEC⚠️ Not signed
NSns-cmn1.qq.com ⚠️ Not in parent delegation
A2402:4e00:111:ff4::3🇨🇳 TENCENT-NET-AP2402:4e00::/35
A42.187.235.2🇨🇳 TENCENT-NET-AP42.187.192.0/18 chinanet/CN2 TianJin province network
A43.140.54.204🇨🇳 TENCENT-NET-AP43.140.0.0/18 Tencent Cloud Computing (Beijing) Co., Ltd 309 West Zone, 3F. 49 Zhichun Road. Haidian District.
A43.142.212.27🇨🇳 TENCENT-NET-AP43.142.192.0/18
NSns-cnc1.qq.com ⚠️ Not in parent delegation
A240e:e1:aa00:2002::3🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC
A61.135.196.2🇨🇳 CHINA169-BJ61.135.196.0/24
A140.207.180.96🇨🇳 UNICOM-SHFT-IDC140.207.180.0/24 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street
A157.255.6.102🇨🇳 UNICOM-GuangZhou-IDC157.255.6.0/24
NSns-os1.qq.com ⚠️ Not in parent delegation
A2402:4e00:111:ff4::3🇨🇳 TENCENT-NET-AP2402:4e00::/35
A43.129.131.16🇸🇬 TENCENT-NET-AP-CN43.129.128.0/20
A43.130.172.23🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.134.249.23🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.159.167.10🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.159.167.133🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.166.55.3🇸🇬 TENCENT-NET-AP-CN43.166.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A203.205.220.26🇭🇰 TENCENT-NET-AP-CN203.205.220.0/23 Proxy-registered route object
NSns-tel1.qq.com ⚠️ Not in parent delegation
A240e:e1:aa00:2002::3🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC
A14.116.238.220🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network
A49.7.250.139🇨🇳 CHINA-149.7.192.0/18 China Telecom Beijing Co. Ltd.
A101.227.161.254🇨🇳 SHANGHAITELECOM101.227.161.0/24 SHIDC

couplebyte.com

DNSSEC⚠️ Not signed
NSdns19.hichina.com ⭐
NSdns20.hichina.com
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAdns19.hichina.comhostmaster@hichina.com 2026-01-12 #9

Same first word

mail.chu.jp
mail.gouv.sn
mail.gov.la
mail.sub.jp
mail.co.ro
mail.bielsko.pl
mail.com.sg
mail.kikirara.jp
mail.mydns.jp
mail.hr
mail.gov.tn
mail.pb.gov.br
mail.oops.jp
mail.eu
mail.(0x7075737379)cat.jp
mail.tm
mail.boo.jp
mail.co.za
mail.zp.ua
mail.ac.me
mail.info.at
mail.nis.za
mail.mysecuritycamera.org
mail.gov.ua
mail.net.ua
mail.com.au
mail.cat
mail.vin
mail.stripper.jp
mail.ciao.jp
mail.gov.vc
mail.realm.cz
mail.vu
mail.center
mail.fi
mail.kg
mail.mayfirst.org
mail.systems
mail.itigo.jp
mail.cl
mail.vc
mail.babymilk.jp
mail.gov.by
mail.chat
mail.fastvps.host
mail.style
mail.altervista.org
mail.monster
mail.ngo.za
mail.awsapps.com
mail.biz
mail.gov.lv
mail.jetzt
mail.kh.ua
mail.ru
mail.myeffect.net
mail.myshopify.com
mail.123hjemmeside.dk
mail.gov.ps
mail.ml
mail.fo
mail.expert
mail.mil.tm
mail.team
mail.com.ru
mail.tn
mail.serveftp.com
mail.by
mail.peewee.jp
mail.virtualuser.de
mail.charity
mail.exchange
mail.live
mail.lk3.ru
mail.com.mk
mail.ap.gov.br
mail.dp.ua
mail.myjino.ru
mail.space
mail.net.ph
mail.rr.gov.br
mail.read-books.org
mail.ilovecollege.info
mail.gmx
mail.info.pl
mail.community
mail.cleaning
mail.bh
mail.site
mail.select
mail.email
mail.blue
mail.tools
mail.sy
mail.li
mail.rw
mail.vision
mail.sk
mail.at
mail.surf
mail.gov.ge
mail.dating
mail.travel
mail.td
mail.nr
mail.nrw
mail.xyz
mail.loginto.me
mail.bio
mail.dk
mail.main.jp
mail.graphics
mail.lc
mail.city
mail.yt
mail.watch
mail.lomo.jp
mail.lu
mail.tel
mail.ws
mail.holiday
mail.zombie.jp
mail.ma
mail.mr
mail.gov.af
mail.hashbang.sh
mail.mil.ru
mail.schwarz
mail.co.uk
mail.net.mk
mail.rj.gov.br
mail.freedesktop.org
mail.direct
mail.yandex
mail.sh.cn
mail.vacations
mail.my

Similar names

mail.nom.za
lami.info
mail.com.br
imla.se
mila.la
laim.ru
mlai.idv.tw
almi.cz
mail.com.ph
mail.co.ua
almi.ch
mail.bike
mail.gr
amli.co
mail.srv.br
mail.dyn-vpn.de
mail.serveminecraft.net
almi.com.pl
mail.gov.cn
mail.staba.jp
mail.pinoko.jp
mail.in.th
mail.tech
ilam.ie
lami.su
liam.tel
mail.rakkestad.no
mila.com
mail.gov.bm
alim.net
mail.com.py
mail.guru
mail.bing
mali.com.tw
mail.lv
lima.com.tr
mila.sk
mila.biz
amil.se
amil.lu
mial.com
ailm.com
mail.babyblue.jp
mail.in-berlin.de
liam.computer
mail.no-ip.biz
mail.host
mail.net.ar
almi.co.il
amil.de
mali.no
mail.management
ilam.fr
mila.gg
ilma.co.jp
mail.qld.gov.au
mail.pm
mail.wf
laim.ch
mail.ltd
mail.com.pe
lima.fr
liam.fr
mila.tv
mail.marketing
mail.velvet.jp
mail.fage
amil.info
mail.coach
aiml.solutions
imal.rs
mail.abbott
mail.weir
mail.wroclaw.pl
lami.com.br
amli.de
mail.et
mail.za.net
mail.bz
ilam.it
mail.fakefur.jp
mail.sb
aiml.ca
mail.ht
ilam.org.uk
mail.ax
mail.spdns.eu
mali.com.tr
mail.collegefan.org
lima.pro
mail.com.cn
aiml.ch
liam.agency
lima.de
mial.cl
mail.cab
mail.vn.ua
liam.pe.kr
mail.lat
mali.tv

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...-
couplebyte.comdns19.hichina.com, dns20.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for couplebyte.com (unsigned zone)

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1exmail.qq.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

Name Servers

mail.couplebyte.com is delegated to four name servers: ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com and ns-tel1.qq.com.

mail.couplebyte.com shares some name servers with other domains, for example qidian.gtimg.com, back.qq.com, xf.qq.com, 84101843.qq.com and zhuimangren.qq.com.

These name servers are commonly paired with ns1.qq.com, ns2.qq.com, ns3.qq.com, ns4.qq.com, ns-open1.qq.com, ns-open2.qq.com and ns-open3.qq.com.

Host names with eight IPs:

ns-os1.qq.com points to: 2402:4e00:111:ff4::3, 43.129.131.16, 43.130.172.23, 43.134.249.23, 43.159.167.10, 43.159.167.133, 43.166.55.3 and 203.205.220.26.

Host names with four IPs:

ns-cmn1.qq.com points to: 2402:4e00:111:ff4::3, 42.187.235.2, 43.140.54.204 and 43.142.212.27.

ns-cnc1.qq.com points to: 240e:e1:aa00:2002::3, 61.135.196.2, 140.207.180.96 and 157.255.6.102.

ns-tel1.qq.com points to: 240e:e1:aa00:2002::3, 14.116.238.220, 49.7.250.139 and 101.227.161.254.

Host names pointing to 2402:4e00:111:ff4::3: ns-os1.qq.com, ns-cmn1.qq.com.

Host names pointing to 240e:e1:aa00:2002::3: ns-cnc1.qq.com, ns-tel1.qq.com.