1stos.com - robtex.com

1stos.com

DNSSEC⚠️ Not signed
A162.159.142.17Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.66.2.13🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1036.ui-dns.de ⭐
A2001:8d8:fe:53:0:d9a0:5024:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1036.ui-dns.de
A217.160.80.36🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1036.ui-dns.de
NSns1028.ui-dns.com
A2001:8d8:fe:53:0:d9a0:521c:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1028.ui-dns.com
A217.160.82.28🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1028.ui-dns.com
NSns1065.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5341:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1065.ui-dns.org
A217.160.83.65🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1065.ui-dns.org
NSns1066.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5142:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1066.ui-dns.biz
A217.160.81.66🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1066.ui-dns.biz
MXmx00.ionos.com ⭐
A74.208.5.3🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx00.perfora.net
MXmx01.ionos.com ⭐
A74.208.5.21🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net
TXTlw=64f6b418c3f7433d9a31d567
TXTv=spf1 include:_spf-us.ionos.com include:mailgun.org ~all
SOAns1036.ui-dns.dehostmaster@1und1.com 2017-06-01 #33

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=1771291435

Similar names

os1st.com
os1st.com.au
os1st.co.nz

DNS History

16 records (8 active, 8 former)

20162017201820192020202120222023202420252026NSns1028.ui-dns.comns1036.ui-dns.dens1065.ui-dns.orgns1066.ui-dns.bizns1.hostsmart.orgns2.hostsmart.orgns3.hostsmart.orgns4.1stos.comns5.1stos.comns6.1stos.comMXmx00.ionos.commx01.ionos.commail2.1stos.comA162.159.142.17172.66.2.13185.34.174.22
○NSns1.hostsmart.org2015-05-31 → 2015-10-21 · 4 obs
● 2015-05-31 02:49:14
● 2015-10-21 20:53:50
○ 2016-01-17 22:05:50
○ 2026-03-11 01:48:30
●NSns1028.ui-dns.com2026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
●NSns1036.ui-dns.de2026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
●NSns1065.ui-dns.org2026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
●NSns1066.ui-dns.biz2026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
○NSns2.hostsmart.org2015-05-31 → 2015-10-21 · 4 obs
● 2015-05-31 02:49:14
● 2015-10-21 20:53:50
○ 2016-01-17 22:05:50
○ 2026-03-11 01:48:30
○NSns3.hostsmart.org2015-05-31 → 2015-10-21 · 4 obs
● 2015-05-31 02:49:14
● 2015-10-21 20:53:50
○ 2016-01-17 22:05:50
○ 2026-03-11 01:48:30
○NSns4.1stos.com2016-01-17 → 2017-06-27 · 4 obs
○ 2015-10-21 20:53:50
● 2016-01-17 22:05:50
● 2017-06-27 09:44:38
○ 2026-03-11 01:48:30
○NSns5.1stos.com2016-01-17 → 2017-06-27 · 4 obs
○ 2015-10-21 20:53:50
● 2016-01-17 22:05:50
● 2017-06-27 09:44:38
○ 2026-03-11 01:48:30
○NSns6.1stos.com2016-01-17 → 2017-06-27 · 4 obs
○ 2015-10-21 20:53:50
● 2016-01-17 22:05:50
● 2017-06-27 09:44:38
○ 2026-03-11 01:48:30
○MXmail2.1stos.com2015-05-31 → 2017-06-27 · 3 obs
● 2015-05-31 02:49:14
● 2017-06-27 09:44:38
○ 2026-03-11 01:48:30
●MXmx00.ionos.com2026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
●MXmx01.ionos.com2026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
●A162.159.142.172026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
●A172.66.2.132026-03-11 → 2026-03-11 · 2 obs
○ 2017-06-27 09:44:38
● 2026-03-11 01:48:30
○A185.34.174.222015-05-31 → 2017-06-27 · 3 obs
● 2015-05-31 02:49:14
● 2017-06-27 09:44:38
○ 2026-03-11 01:48:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
1stos.comns1066.ui-dns.biz, ns1036.ui-dns.de, ns1065.ui-dns.org, ns1028.ui-dns.com2 records

✅ Authoritative Response

Server: 217.160.83.65

NS records: ns1066.ui-dns.biz, ns1036.ui-dns.de, ns1065.ui-dns.org, ns1028.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1stos.com (unsigned zone)

⏱️ Timing

Total: 647ms | Queries: -

📄 Records

TypeCountSample Data
A2162.159.142.17, 172.66.2.13
NS4ns1066.ui-dns.biz, ns1036.ui-dns.de...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT2v=spf1 include:_spf-us.ionos.com include, lw=64f6b418c3f7433d9a31d567
SOA1ns1036.ui-dns.de hostmaster.1und1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1028.ui-dns.com, ns1028.ui-dns.com)

Analysis

IP Addresses

The entity 1stos.com points to two IP numbers: 162.159.142.17 and 172.66.2.13.

For instance, other host names natureofwriting.com, learnworlds.com.cdn.cloudflare.net, eduply.com, crflearning.co.uk and opositores.net share IP numbers with 1stos.com.

Name Servers

1stos.com is delegated to four name servers: ns1066.ui-dns.biz, ns1028.ui-dns.com, ns1036.ui-dns.de and ns1065.ui-dns.org.

1stos.com shares name servers with other domains at least partially, for example surepay.us, erlebnis-pferd-und-natur-ev.de, coresearchresults.com, dadsofhonor.com and francopetrocca.de.

these name servers are often used with the following: ns1066.ui-dns.com, ns1066.ui-dns.de, ns1066.ui-dns.org, ns1065.ui-dns.com, ns1065.ui-dns.de, ns1065.ui-dns.biz, ns1036.ui-dns.biz, ns1036.ui-dns.org, ns1036.ui-dns.com and ns1028.ui-dns.de.

Host names with two IP numbers:

ns1066.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5142:100 and 217.160.81.66

ns1028.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:521c:100 and 217.160.82.28

ns1036.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:5024:100 and 217.160.80.36

ns1065.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5341:100 and 217.160.83.65

Mail Servers

Two mail servers mx00.ionos.com and mx01.ionos.com handle 1stos.com.

1stos.com shares the same mail server setup as other domains, for instance intelmirror.com, leeschrager.com, gotomindpeace.com, bazzaaro.com and barsandtone.ca.

Host names with one IP number:

mx00.ionos.com points to: 74.208.5.3.

mx01.ionos.com points to: 74.208.5.21.