yhscience.com - robtex.com

yhscience.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
NSns-cloud-d1.googledomains.com ⭐
A2001:4860:4802:32::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d1.googledomains.com
A216.239.32.109🇺🇸 Google216.239.32.0/24
PTRns-cloud-d1.googledomains.com
NSns-cloud-d2.googledomains.com
A2001:4860:4802:34::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d2.googledomains.com
A216.239.34.109🇺🇸 Google216.239.34.0/24
PTRns-cloud-d2.googledomains.com
NSns-cloud-d3.googledomains.com
A2001:4860:4802:36::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d3.googledomains.com
A216.239.36.109🇺🇸 Google216.239.36.0/24
PTRns-cloud-d3.googledomains.com
NSns-cloud-d4.googledomains.com
A2001:4860:4802:38::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d4.googledomains.com
A216.239.38.109🇺🇸 Google216.239.38.0/24
PTRns-cloud-d4.googledomains.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32
PTRdy-in-f27.1e100.net
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A2607:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
A74.125.137.27🇺🇸 Google74.125.137.0/24
PTRdy-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/2, HTTP/1.1 ✓ hints match
IPv4 hints198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOAns-cloud-d1.googledomains.comcloud-dns-hostmaster@google.com serial=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=1776213107

Same first word

yhscience.com

Similar names

ycchinese.com
hyscience.com

DNS History

20 records (9 active, 11 former)

20162017201820192020202120222023202420252026NSns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.comjuming.dnsdun.comjuming.dnsdun.netns1.myhostadmin.netns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netMXsmtp.google.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.145118.193.153.142156.237.132.24223.27.192.115
○NSjuming.dnsdun.com2018-06-18 → 2018-06-18 · 4 obs
○ 2016-04-29 22:44:38
● 2018-06-18 06:00:18
○ 2026-04-09 13:22:18
○ 2026-04-15 00:32:36
○NSjuming.dnsdun.net2018-06-18 → 2018-06-18 · 4 obs
○ 2016-04-29 22:44:38
● 2018-06-18 06:00:18
○ 2026-04-09 13:22:18
○ 2026-04-15 00:32:36
●NSns-cloud-d1.googledomains.com2026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
●NSns-cloud-d2.googledomains.com2026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
●NSns-cloud-d3.googledomains.com2026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
●NSns-cloud-d4.googledomains.com2026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
○NSns1.myhostadmin.net2015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36
○NSns2.myhostadmin.net2015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36
○NSns3.myhostadmin.net2015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36
○NSns4.myhostadmin.net2015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36
○NSns5.myhostadmin.net2015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36
○NSns6.myhostadmin.net2015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36
●MXsmtp.google.com2026-04-09 → 2026-04-15 · 2 obs
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
○A118.193.153.1422015-06-08 → 2016-04-29 · 4 obs
● 2015-06-08 19:47:20
● 2016-04-29 22:44:38
○ 2016-12-25 15:26:50
○ 2026-04-15 00:32:36
○A156.237.132.2422018-06-18 → 2018-06-18 · 4 obs
○ 2016-12-25 15:26:50
● 2018-06-18 06:00:18
○ 2026-04-09 13:22:18
○ 2026-04-15 00:32:36
●A198.185.159.1442026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
●A198.185.159.1452026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
●A198.49.23.1442026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
●A198.49.23.1452026-04-09 → 2026-04-15 · 3 obs
○ 2018-06-18 06:00:18
● 2026-04-09 13:22:18
● 2026-04-15 00:32:36
○A23.27.192.1152016-12-25 → 2016-12-25 · 4 obs
○ 2016-04-29 22:44:38
● 2016-12-25 15:26:50
○ 2018-06-18 06:00:18
○ 2026-04-15 00:32:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
yhscience.comns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.38.109

NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yhscience.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.144, 198.49.23.145...
NS4ns-cloud-d2.googledomains.com, ns-cloud-d1.googledomains.com...
MX1smtp.google.com (pri: 1)
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1ns-cloud-d1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-d1.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com...)

Analysis

IP Addresses

yhscience.com maps to four IP numbers: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance syphotography.org, mandelbrotexplorer.com, marketing-support.org, 5bodies.com and sassoand.co share IP numbers with yhscience.com.

Name Servers

yhscience.com is delegated to four name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.

yhscience.com at least partially shares name servers with other domains such as referencebit.com, jongeon.com, fstn.jp, ruskin.org and studiospresentation.com.

Host names with two IP numbers:

ns-cloud-d1.googledomains.com points to 2001:4860:4802:32::6d and 216.239.32.109

ns-cloud-d2.googledomains.com points to 2001:4860:4802:34::6d and 216.239.34.109

ns-cloud-d3.googledomains.com points to 2001:4860:4802:36::6d and 216.239.36.109

ns-cloud-d4.googledomains.com points to 2001:4860:4802:38::6d and 216.239.38.109

Mail Servers

yhscience.com is handled by a single mail server, smtp.google.com.

yhscience.com shares the same mail server setup as other domains, including gatstravel.gr, functionalmedicinepro.com, termmed.net, agencycompalliance.com and croma-foto.com.

yhscience.com shares mail servers with other domains at least in part, for instance usturfsandiego.com, servimetal.cl, ubidugo.com, chasitysellsthecarolinas.com and dislab.fr.

These mail servers are often used together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.250.101.27 and 142.250.141.26.