rational-china.com - robtex.com

rational-china.com

DNSSEC⚠️ Not signed
A51.116.176.235🇩🇪 Microsoft51.116.0.0/16
NSns1-07.azure-dns.com ⭐
A2603:1061:0:700::7🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-07.azure-dns.com
A13.107.236.7🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-07.azure-dns.com
NSns2-07.azure-dns.net
A2620:1ec:8ec:700::7🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-07.azure-dns.net
A150.171.21.7🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-07.azure-dns.net
NSns3-07.azure-dns.org
A2a01:111:4000:700::7🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-07.azure-dns.org
A204.14.183.7🇺🇸 Microsoft204.14.180.0/22
PTRns3-07.azure-dns.org
NSns4-07.azure-dns.info
A2620:1ec:bda:700::7🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-07.azure-dns.info
A208.84.5.7🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-07.azure-dns.info
MXrationalchina-com02b.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::5🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca09::4🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A2a01:111:f403:ca09::e🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00206.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.6🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTMS=ms51154201
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1-07.azure-dns.comhostmaster@rational-online.com 2020-04-08 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774700687

Same first word

rational-china.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSns1-07.azure-dns.comns2-07.azure-dns.netns3-07.azure-dns.orgns4-07.azure-dns.infons.kontrast.comns.kontrast.dens1.kontrast.dens2.openit.deMXrationalchina-com02b.mail.protection.outlook.comrational.mailin1.rmx.derational.mailin2.rmx.derational.mailin3.rmx.derational.mailin4.rmx.deA51.116.176.235185.110.41.134217.69.78.180
○NSns.kontrast.com2017-05-24 → 2017-05-24 · 4 obs
○ 2016-09-19 15:27:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
○NSns.kontrast.de2015-06-01 → 2017-05-24 · 4 obs
● 2015-06-01 07:04:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
●NSns1-07.azure-dns.com2026-03-27 → 2026-03-28 · 3 obs
○ 2017-05-24 07:34:56
● 2026-03-27 06:37:44
● 2026-03-28 12:37:40
○NSns1.kontrast.de2015-06-01 → 2016-09-19 · 4 obs
● 2015-06-01 07:04:16
● 2016-09-19 15:27:16
○ 2017-05-24 07:34:56
○ 2026-03-28 12:37:40
●NSns2-07.azure-dns.net2026-03-27 → 2026-03-28 · 3 obs
○ 2017-05-24 07:34:56
● 2026-03-27 06:37:44
● 2026-03-28 12:37:40
○NSns2.openit.de2015-06-01 → 2016-09-19 · 4 obs
● 2015-06-01 07:04:16
● 2016-09-19 15:27:16
○ 2017-05-24 07:34:56
○ 2026-03-28 12:37:40
●NSns3-07.azure-dns.org2026-03-27 → 2026-03-28 · 3 obs
○ 2017-05-24 07:34:56
● 2026-03-27 06:37:44
● 2026-03-28 12:37:40
●NSns4-07.azure-dns.info2026-03-27 → 2026-03-28 · 3 obs
○ 2017-05-24 07:34:56
● 2026-03-27 06:37:44
● 2026-03-28 12:37:40
○MXrational.mailin1.rmx.de2015-06-01 → 2017-05-24 · 4 obs
● 2015-06-01 07:04:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
○MXrational.mailin2.rmx.de2015-06-01 → 2017-05-24 · 4 obs
● 2015-06-01 07:04:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
○MXrational.mailin3.rmx.de2015-06-01 → 2017-05-24 · 4 obs
● 2015-06-01 07:04:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
○MXrational.mailin4.rmx.de2015-06-01 → 2017-05-24 · 4 obs
● 2015-06-01 07:04:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
●MXrationalchina-com02b.mail.protection.outlook.com2026-03-27 → 2026-03-28 · 3 obs
○ 2017-05-24 07:34:56
● 2026-03-27 06:37:44
● 2026-03-28 12:37:40
○A185.110.41.1342017-05-24 → 2017-05-24 · 4 obs
○ 2016-09-19 15:27:16
● 2017-05-24 07:34:56
○ 2026-03-27 06:37:44
○ 2026-03-28 12:37:40
○A217.69.78.1802015-06-01 → 2016-09-19 · 4 obs
● 2015-06-01 07:04:16
● 2016-09-19 15:27:16
○ 2017-05-24 07:34:56
○ 2026-03-28 12:37:40
●A51.116.176.2352026-03-27 → 2026-03-28 · 3 obs
○ 2017-05-24 07:34:56
● 2026-03-27 06:37:44
● 2026-03-28 12:37:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...-
rational-china.comns1-07.azure-dns.com, ns2-07.azure-dns.net, ns3-07.azure-dns.org, ns4-07.azure-dns.info2 records

✅ Authoritative Response

Server:208.84.5.7

NS records: ns1-07.azure-dns.com, ns2-07.azure-dns.net, ns3-07.azure-dns.org, ns4-07.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rational-china.com (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

📄 Records

TypeCountSample Data
A151.116.176.235
NS4ns1-07.azure-dns.com, ns2-07.azure-dns.net...
MX1rationalchina-com02b.mail.protection.out
TXT2MS=ms51154201, v=spf1 include:spf.protection.outlook.co
SOA1ns1-07.azure-dns.com hostmaster.rational

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-07.azure-dns.com, ns1-07.azure-dns.com)

Analysis

IP Addresses

rational-china.com points to a single IP address: 51.116.176.235.

Other host names such as rational-iberica.es, rational-online.ch, climacooking.com, rational-online.pl and rational-online.us share IPs with rational-china.com.

Name Servers

rational-china.com is delegated to four name servers: ns1-07.azure-dns.com, ns4-07.azure-dns.info, ns2-07.azure-dns.net and ns3-07.azure-dns.org.

rational-china.com at least partially shares name servers with other domains, for example femibion.fr, microsoftsecurityessentials.sg, hardwarespecialty.com, 170.223.4.in-addr.arpa and hachco.ca.

Host names with two IP numbers:

ns1-07.azure-dns.com points to: 2603:1061:0:700::7 and 13.107.236.7

ns4-07.azure-dns.info points to: 2620:1ec:bda:700::7 and 208.84.5.7

ns2-07.azure-dns.net points to: 2620:1ec:8ec:700::7 and 150.171.21.7

ns3-07.azure-dns.org points to: 2a01:111:4000:700::7 and 204.14.183.7

Mail Servers

The rationalchina-com02b.mail.protection.outlook.com mail server handles rational-china.com.

rationalchina-com02b.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::5, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::d, 2a01:111:f403:ca09::e, 52.101.73.1, 52.101.73.2, 52.101.73.6 and 52.101.73.153.