robertjacobi.net - robtex.com

robertjacobi.net

DNSSEC⚠️ Not signed
A2607:f1c0:100f:f000::241🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTR2607-f1c0-100f-f000-0000-0000-0000-0241.elastic-ssl.ui-r.com
A74.208.236.126🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
NSns1043.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:532b:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1043.ui-dns.org
A217.160.83.43🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1043.ui-dns.org
NSns1043.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:512b:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1043.ui-dns.biz
A217.160.81.43🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1043.ui-dns.biz
NSns1043.ui-dns.com
A2001:8d8:fe:53:0:d9a0:522b:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1043.ui-dns.com
A217.160.82.43🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1043.ui-dns.com
NSns1043.ui-dns.de
A2001:8d8:fe:53:0:d9a0:502b:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1043.ui-dns.de
A217.160.80.43🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1043.ui-dns.de
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.google.com include:_spf.perfora.net include:_spf-us.ionos...
SOAns1043.ui-dns.orghostmaster@1and1.com 2016-04-05 #3

net

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=1774399572

Same first word

robertjacobi.net

DNS History

18 records (8 active, 10 former)

20162017201820192020202120222023202420252026NSns1043.ui-dns.bizns1043.ui-dns.comns1043.ui-dns.dens1043.ui-dns.orgns-us.1and1-dns.comns-us.1and1-dns.dens-us.1and1-dns.orgns-us.1and1-dns.usMXmx00.ionos.commx01.ionos.commx00.1and1.commx01.1and1.comA2607:f1c0:100f:f000::24174.208.236.126192.195.77.2352607:f1c0:1000:107d:3b6e:6e67:1d09:300d2607:f1c0:1000:107d:8342:cee5:8ec8:701774.208.191.106
○NSns-us.1and1-dns.com2015-06-16 → 2017-01-10 · 4 obs
● 2015-06-16 04:24:32
● 2017-01-10 17:32:32
○ 2018-12-07 16:55:08
○ 2026-03-25 00:49:16
○NSns-us.1and1-dns.de2015-06-16 → 2017-01-10 · 4 obs
● 2015-06-16 04:24:32
● 2017-01-10 17:32:32
○ 2018-12-07 16:55:08
○ 2026-03-25 00:49:16
○NSns-us.1and1-dns.org2015-06-16 → 2017-01-10 · 4 obs
● 2015-06-16 04:24:32
● 2017-01-10 17:32:32
○ 2018-12-07 16:55:08
○ 2026-03-25 00:49:16
○NSns-us.1and1-dns.us2015-06-16 → 2017-01-10 · 4 obs
● 2015-06-16 04:24:32
● 2017-01-10 17:32:32
○ 2018-12-07 16:55:08
○ 2026-03-25 00:49:16
●NSns1043.ui-dns.biz2018-12-07 → 2026-03-25 · 3 obs
○ 2017-01-10 17:32:32
● 2018-12-07 16:55:08
● 2026-03-25 00:49:16
●NSns1043.ui-dns.com2018-12-07 → 2026-03-25 · 3 obs
○ 2017-01-10 17:32:32
● 2018-12-07 16:55:08
● 2026-03-25 00:49:16
●NSns1043.ui-dns.de2018-12-07 → 2026-03-25 · 3 obs
○ 2017-01-10 17:32:32
● 2018-12-07 16:55:08
● 2026-03-25 00:49:16
●NSns1043.ui-dns.org2018-12-07 → 2026-03-25 · 3 obs
○ 2017-01-10 17:32:32
● 2018-12-07 16:55:08
● 2026-03-25 00:49:16
○MXmx00.1and1.com2015-06-16 → 2018-12-07 · 4 obs
● 2015-06-16 04:24:32
● 2018-12-07 16:55:08
○ 2026-02-21 00:43:24
○ 2026-03-25 00:49:16
●MXmx00.ionos.com2026-02-21 → 2026-03-25 · 3 obs
○ 2018-12-07 16:55:08
● 2026-02-21 00:43:24
● 2026-03-25 00:49:16
○MXmx01.1and1.com2015-06-16 → 2018-12-07 · 4 obs
● 2015-06-16 04:24:32
● 2018-12-07 16:55:08
○ 2026-02-21 00:43:24
○ 2026-03-25 00:49:16
●MXmx01.ionos.com2026-02-21 → 2026-03-25 · 3 obs
○ 2018-12-07 16:55:08
● 2026-02-21 00:43:24
● 2026-03-25 00:49:16
○A192.195.77.2352016-05-06 → 2017-01-10 · 5 obs
○ 2016-01-27 18:43:18
● 2016-05-06 16:36:12
● 2017-01-10 17:32:32
○ 2018-12-07 16:55:08
○ 2026-03-25 00:49:16
○A2607:f1c0:1000:107d:3b6e:6e67:1d09:300d2016-05-06 → 2017-01-10 · 5 obs
○ 2016-01-27 18:43:18
● 2016-05-06 16:36:12
● 2017-01-10 17:32:32
○ 2018-12-07 16:55:08
○ 2026-03-25 00:49:16
○A2607:f1c0:1000:107d:8342:cee5:8ec8:70172015-06-16 → 2016-01-27 · 4 obs
● 2015-06-16 04:24:32
● 2016-01-27 18:43:18
○ 2016-05-06 16:36:12
○ 2026-03-25 00:49:16
●A2607:f1c0:100f:f000::2412018-12-07 → 2026-03-25 · 3 obs
○ 2017-01-10 17:32:32
● 2018-12-07 16:55:08
● 2026-03-25 00:49:16
○A74.208.191.1062015-06-16 → 2016-01-27 · 4 obs
● 2015-06-16 04:24:32
● 2016-01-27 18:43:18
○ 2016-05-06 16:36:12
○ 2026-03-25 00:49:16
●A74.208.236.1262018-12-07 → 2026-03-25 · 3 obs
○ 2017-01-10 17:32:32
● 2018-12-07 16:55:08
● 2026-03-25 00:49:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
robertjacobi.netns1043.ui-dns.de, ns1043.ui-dns.biz, ns1043.ui-dns.org, ns1043.ui-dns.com-

✅ Authoritative Response

Server:217.160.83.43

NS records: ns1043.ui-dns.de, ns1043.ui-dns.biz, ns1043.ui-dns.org, ns1043.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robertjacobi.net (unsigned zone)

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

TypeCountSample Data
A174.208.236.126
AAAA12607:f1c0:100f:f000::241
NS4ns1043.ui-dns.org, ns1043.ui-dns.biz...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT1v=spf1 include:_spf.google.com include:_
SOA1ns1043.ui-dns.org hostmaster.1and1.com

Analysis

IP Addresses

robertjacobi.net points to two IP numbers: 2607:f1c0:100f:f000::241 and 74.208.236.126.

Other host names such as frig.ca, oakbat.com, si2toc.com, downing-st.com and www.mobile-webview1.com share IP numbers with robertjacobi.net.

Name Servers

robertjacobi.net is delegated to four name servers: ns1043.ui-dns.biz, ns1043.ui-dns.com, ns1043.ui-dns.de and ns1043.ui-dns.org.

At least part of the name servers for robertjacobi.net are shared with other domains, for instance sesenet.de, ertragsforum.eu, imrweb.net, gute-brille.de and fromthisgroove.com.

These name servers are often used together with the name servers ns1113.ui-dns.com, ns1086.ui-dns.biz, ns1119.ui-dns.com, ns1109.ui-dns.de, ns1041.ui-dns.org, ns1032.ui-dns.org and ns1117.ui-dns.com.

Host names with two IP numbers:

ns1043.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:512b:100 and 217.160.81.43

ns1043.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:522b:100 and 217.160.82.43

ns1043.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:502b:100 and 217.160.80.43

ns1043.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:532b:100 and 217.160.83.43

Mail Servers

robertjacobi.net is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

robertjacobi.net uses the same mail server setup as other domains, for instance paimpont.net, nofowedding.com, realsuperhumans.com, alehousebrewery.com and bodeadedijipartnership.com.

robertjacobi.net shares some mail servers with other domains, for instance refua.org and halblock.com.

Hostnames with a single IP

mx00.ionos.com resolves to: 74.208.5.3.

mx01.ionos.com resolves to: 74.208.5.21.