cal-tech.net - robtex.com

cal-tech.net

DNSSEC⚠️ Not signed
A2607:f1c0:100f:f000::25eπŸ‡ΊπŸ‡Έ IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTR2607-f1c0-100f-f000-0000-0000-0000-025e.elastic-ssl.ui-r.com
A74.208.236.237πŸ‡ΊπŸ‡Έ IONOS-AS74.208.0.0/16 IONOS Inc.
NSns1045.ui-dns.com ⭐
A2001:8d8:fe:53:0:d9a0:522d:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1045.ui-dns.com
A217.160.82.45πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1045.ui-dns.com
NSns1045.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:512d:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1045.ui-dns.biz
A217.160.81.45πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1045.ui-dns.biz
NSns1045.ui-dns.de
A2001:8d8:fe:53:0:d9a0:502d:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1045.ui-dns.de
A217.160.80.45πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1045.ui-dns.de
NSns1045.ui-dns.org
A2001:8d8:fe:53:0:d9a0:532d:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1045.ui-dns.org
A217.160.83.45πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1045.ui-dns.org
MXcaltech-net0i.mail.protection.outlook.com ⭐
A2a01:111:f403:c801::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sa9pr02cu00200.inbound.protection.outlook.com
A2a01:111:f403:c902::5πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sj2pr05cu00505.inbound.protection.outlook.com
A2a01:111:f403:f901::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-mn2pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f90f::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sa9pr04cu00100.inbound.protection.outlook.com
A52.101.9.20πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr02cu00604.inbound.protection.outlook.com
A52.101.10.6πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn1pr21cu00106.inbound.protection.outlook.com
A52.101.41.54πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00506.inbound.protection.outlook.com
A52.101.41.183πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-byapr04cu00307.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com ~all
TXTMS=ms10853212
SOAns1045.ui-dns.comhostmaster@1und1.com 2017-06-01 #7

net

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1045.ui-dns.bizns1045.ui-dns.comns1045.ui-dns.dens1045.ui-dns.orgMXcaltech-net0i.mail.protection.outlook.comA2607:f1c0:100f:f000::25e74.208.236.237
●NSns1045.ui-dns.biz2026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54
●NSns1045.ui-dns.com2026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54
●NSns1045.ui-dns.de2026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54
●NSns1045.ui-dns.org2026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54
●MXcaltech-net0i.mail.protection.outlook.com2026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54
●A2607:f1c0:100f:f000::25e2026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54
●A74.208.236.2372026-04-04 β†’ 2026-04-15 Β· 2 obs
● 2026-04-04 07:53:56
● 2026-04-15 07:55:54

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cal-tech.netns1045.ui-dns.de, ns1045.ui-dns.biz, ns1045.ui-dns.org, ns1045.ui-dns.com-

βœ… Authoritative Response

Server:217.160.80.45

NS records: ns1045.ui-dns.de, ns1045.ui-dns.biz, ns1045.ui-dns.org, ns1045.ui-dns.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cal-tech.net (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A174.208.236.237
AAAA12607:f1c0:100f:f000::25e
NS4ns1045.ui-dns.de, ns1045.ui-dns.org...
MX1caltech-net0i.mail.protection.outlook.co
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms10853212
SOA1ns1045.ui-dns.com hostmaster.1und1.com

Analysis

IP Addresses

cal-tech.net resolves to two IP numbers: 2607:f1c0:100f:f000::25e and 74.208.236.237.

Other host names, for instance www.mississippiperkspass.com, www.danvilledans.com, dakotafirearms.net, qvs.com and williamthe(0x62617374617264).com share IP numbers with cal-tech.net.

Name Servers

cal-tech.net's delegation is handled by four name servers: ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and ns1045.ui-dns.org.

cal-tech.net partially shares name servers with other domains; examples include desguacesarmonia.net, ileieli.com, kebapsa.com, javiboss.com and missionthegalaxy.com.

Host names with two IPs:

ns1045.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:512d:100 and 217.160.81.45

ns1045.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:522d:100 and 217.160.82.45

ns1045.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:502d:100 and 217.160.80.45

ns1045.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:532d:100 and 217.160.83.45

Mail Servers

cal-tech.net is handled by a single mail server, caltech-net0i.mail.protection.outlook.com.

Hostname caltech-net0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::, 2a01:111:f403:c902::5, 2a01:111:f403:f901::, 2a01:111:f403:f90f::, 52.101.9.20, 52.101.10.6, 52.101.41.54 and 52.101.41.183.