biosys.us - robtex.com

biosys.us

DNSSEC⚠️ Not signed
A2607:f1c0:100f:f000::213🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTR2607-f1c0-100f-f000-0000-0000-0000-0213.elastic-ssl.ui-r.com
A74.208.236.156🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
NSns1100.ui-dns.de ⭐
A2607:f1c0:fe:53:185:132:32:100🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1100.ui-dns.de
A185.132.32.100🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1100.ui-dns.de
NSns1100.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5164:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1100.ui-dns.biz
A217.160.81.100🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1100.ui-dns.biz
NSns1100.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5264:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1100.ui-dns.com
A217.160.82.100🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1100.ui-dns.com
NSns1100.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5364:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1100.ui-dns.org
A217.160.83.100🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1100.ui-dns.org
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
TXTv=spf1 include:_spf-us.ionos.com ~all
SOAns1100.ui-dns.dehostmaster@1and1.com 2017-07-05 #15

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1783853203

Same first word

biosys.com
biosys.link
biosys.com.my
biosys.es
biosys.it
biosys.ch
biosys.com.tr
biosys.technology
biosys.biz
biosys.ca
biosys.co.jp
biosys.net
biosys.company
biosys.us
biosys.fr
biosys.eu
biosys.co

Similar names

sysbio.eu
sysbio.ac.cn
bossiy.com
bossyi.cn
ibossy.com
sibyos.com
yiboss.com
boissy.fr
sysbio.nl
sysbio.lv
sysbio.org
bissoy.com
sybois.com
sysbio.de
boysis.com
boysis.com.tr
byosis.eu
boysis.eu
sysbio.ru
byosis.com
bossyi.com
sysbio.tools
sysbio.org.ua

DNS History

16 records (8 active, 8 former)

20162017201820192020202120222023202420252026NSns1100.ui-dns.bizns1100.ui-dns.comns1100.ui-dns.dens1100.ui-dns.orgns51.1and1.comns52.1and1.comMXmx00.ionos.commx01.ionos.commx00.1and1.commx01.1and1.comA2607:f1c0:100f:f000::21374.208.236.156108.175.5.141192.195.77.1312607:f1c0:1000:6092:4700:a14d:bbcf:e2607:f1c0:1000:6092:67e1:54ab:627c:f847
●NSns1100.ui-dns.biz2026-06-07 → 2026-07-12 · 3 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
● 2026-07-12 11:22:56
●NSns1100.ui-dns.com2026-06-07 → 2026-07-12 · 3 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
● 2026-07-12 11:22:56
●NSns1100.ui-dns.de2026-06-07 → 2026-07-12 · 3 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
● 2026-07-12 11:22:56
●NSns1100.ui-dns.org2026-06-07 → 2026-07-12 · 3 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
● 2026-07-12 11:22:56
○NSns51.1and1.com2015-06-15 → 2016-12-31 · 4 obs
● 2015-06-15 16:02:58
● 2016-12-31 08:16:02
○ 2026-06-07 03:22:30
○ 2026-07-12 11:22:56
○NSns52.1and1.com2015-06-15 → 2016-12-31 · 4 obs
● 2015-06-15 16:02:58
● 2016-12-31 08:16:02
○ 2026-06-07 03:22:30
○ 2026-07-12 11:22:56
○MXmx00.1and1.com2015-06-15 → 2016-12-31 · 4 obs
● 2015-06-15 16:02:58
● 2016-12-31 08:16:02
○ 2026-06-07 03:22:30
○ 2026-07-12 11:22:56
●MXmx00.ionos.com2026-06-07 → 2026-07-12 · 4 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
○ 2026-06-08 06:29:42
● 2026-07-12 11:22:56
○MXmx01.1and1.com2015-06-15 → 2016-12-31 · 4 obs
● 2015-06-15 16:02:58
● 2016-12-31 08:16:02
○ 2026-06-07 03:22:30
○ 2026-07-12 11:22:56
●MXmx01.ionos.com2026-06-07 → 2026-07-12 · 4 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
○ 2026-06-08 06:29:42
● 2026-07-12 11:22:56
○A108.175.5.1412015-06-15 → 2016-01-28 · 4 obs
● 2015-06-15 16:02:58
● 2016-01-28 17:06:08
○ 2016-04-19 09:49:36
○ 2026-07-12 11:22:56
○A192.195.77.1312016-04-19 → 2016-12-31 · 5 obs
○ 2016-01-28 17:06:08
● 2016-04-19 09:49:36
● 2016-12-31 08:16:02
○ 2026-06-07 03:22:30
○ 2026-07-12 11:22:56
○A2607:f1c0:1000:6092:4700:a14d:bbcf:e2015-06-15 → 2016-01-28 · 4 obs
● 2015-06-15 16:02:58
● 2016-01-28 17:06:08
○ 2016-04-19 09:49:36
○ 2026-07-12 11:22:56
○A2607:f1c0:1000:6092:67e1:54ab:627c:f8472016-04-19 → 2016-12-31 · 5 obs
○ 2016-01-28 17:06:08
● 2016-04-19 09:49:36
● 2016-12-31 08:16:02
○ 2026-06-07 03:22:30
○ 2026-07-12 11:22:56
●A2607:f1c0:100f:f000::2132026-06-07 → 2026-07-12 · 4 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
○ 2026-06-08 06:29:42
● 2026-07-12 11:22:56
●A74.208.236.1562026-06-07 → 2026-07-12 · 4 obs
○ 2016-12-31 08:16:02
● 2026-06-07 03:22:30
○ 2026-06-08 06:29:42
● 2026-07-12 11:22:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
biosys.usns1100.ui-dns.de, ns1100.ui-dns.com, ns1100.ui-dns.biz, ns1100.ui-dns.org-

✅ Authoritative Response

Server:217.160.83.100

NS records: ns1100.ui-dns.de, ns1100.ui-dns.com, ns1100.ui-dns.biz, ns1100.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biosys.us (unsigned zone)

⏱️ Timing

Total: 382ms | Queries: -

📄 Records

TypeCountSample Data
A174.208.236.156
AAAA12607:f1c0:100f:f000::213
NS4ns1100.ui-dns.org, ns1100.ui-dns.biz...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
SOA1ns1100.ui-dns.de hostmaster.1and1.com

Analysis

IP Addresses

biosys.us directs to two IP numbers, 74.208.236.156 and 2607:f1c0:100f:f000::213

Two other host names, along with thelittleguardian.com, upstreamhealthy.com and goodnewsdeliverysystems.world, also share IP numbers with biosys.us.

Name Servers

The NS records for biosys.us point to four name servers: ns1100.ui-dns.biz, ns1100.ui-dns.com, ns1100.ui-dns.de and ns1100.ui-dns.org.

biosys.us shares at least some of its name servers with other domains, including atmos-ad.com, wew-display.com, secret-to-share.com and two others.

These name servers are frequently seen alongside ns1122.ui-dns.biz, ns1103.ui-dns.com, ns1125.ui-dns.de and 3 other name servers.

The host names ns1100.ui-dns.biz, ns1100.ui-dns.com, ns1100.ui-dns.de and ns1100.ui-dns.org each resolve to two IP addresses: ns1100.ui-dns.biz resolves to 217.160.81.100 and 2001:8d8:fe:53:0:d9a0:5164:100; ns1100.ui-dns.com resolves to 217.160.82.100 and 2001:8d8:fe:53:0:d9a0:5264:100; ns1100.ui-dns.de resolves to 185.132.32.100 and 2607:f1c0:fe:53:185:132:32:100; ns1100.ui-dns.org resolves to 217.160.83.100 and 2001:8d8:fe:53:0:d9a0:5364:100.

Mail Servers

biosys.us is served by two mail servers, mx00.ionos.com and mx01.ionos.com.

Among the domains sharing a mail server setup with biosys.us are watermadebetter.com, lindatranle.com, cyanok.com and two others.

mx00.ionos.com and mx01.ionos.com each resolve to one IP number: mx00.ionos.com points to 74.208.5.3 and mx01.ionos.com points to 74.208.5.21.