guentert.science - robtex.com

guentert.science

DNSSEC⚠️ Not signed
A212.51.137.249🇨🇭 INIT7212.51.128.0/20 Init7 (Switzerland) Ltd. St. Georgen-Strasse 70 CH-8400 Winterthur
PTRguentert.com
NSdns1.registrar-servers.com
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXeforward1.registrar-servers.com
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1765817727

science

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nic.science
NSa.nic.science
NSb.nic.science
NSc.nic.science
NSns2.dns.nic.science
NSns3.dns.nic.science
SOAns1.dns.nic.scienceadmin@tldns.godaddy serial=1785305220

Subdomains

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

NSdns1.registrar-servers.comdns2.registrar-servers.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA212.51.137.249
NSdns1.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
NSdns2.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
MXeforward1.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
MXeforward2.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
MXeforward3.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
MXeforward4.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
MXeforward5.registrar-servers.com2026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36
A212.51.137.2492026-03-28 → 2026-07-29 · 2 obs
● 2026-03-28 18:56:56
● 2026-07-29 06:58:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sciencens3.dns.nic.science, b.nic.science, ns1.dns.nic.science, a.nic.science...12 records
guentert.sciencedns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guentert.science (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

TypeCountSample Data
A1212.51.137.249
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
SOA1dns1.registrar-servers.com hostmaster.re

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (ns3.dns.nic.science, ns2.dns.nic.science, ns1.dns.nic.science...)

Analysis

Hierarchy

guentert.science is the parent zone for uni-frankfurt.guentert.science.

IP Addresses

guentert.science has exactly one IP address — 212.51.137.249.

www.cyana.org, guentert.com, zyantium.com plus two other host names have IP numbers in common with guentert.science.

Name Servers

Two name servers handle the delegation for guentert.science: dns1.registrar-servers.com and dns2.registrar-servers.com.

The name server configuration of guentert.science is shared with other domains, for instance hutson.biz, kuntoutus.info, fross.org and two others.

guentert.science is at least partially co-delegated on name servers with other domains, such as adamkim.net.

dns1.registrar-servers.com and dns2.registrar-servers.com both carry two IP addresses. The A records for dns1.registrar-servers.com are 156.154.132.200 and 2610:a1:1024::200; the A records for dns2.registrar-servers.com are 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

guentert.science is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

At least some of the mail servers used by guentert.science are shared with other domains: jb190.com, coolinformer.com, cawfee.club and two others among them.

These mail servers often appear in conjunction with the mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Host names resolving to a single IP address:

The hostname eforward1.registrar-servers.com resolves to 162.255.118.51.

The hostname eforward2.registrar-servers.com resolves to 162.255.118.52.

The hostname eforward3.registrar-servers.com resolves to 162.255.118.51.

The hostname eforward4.registrar-servers.com resolves to 162.255.118.52.

The hostname eforward5.registrar-servers.com resolves to 162.255.118.51.

Three host names point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

eforward2.registrar-servers.com along with eforward4.registrar-servers.com each resolve to 162.255.118.52 IP addresses.