knock-knock.org - robtex.com

knock-knock.org

DNSSEC⚠️ Not signed
A216.24.57.1🇺🇸 AS397273216.24.57.0/24 655 5th St 19 San Francisco CA 94107 United States
NSns1121.ui-dns.biz ⭐
A2001:8d8:fe:53:0:d9a0:5179:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1121.ui-dns.biz
A217.160.81.121🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1121.ui-dns.biz
NSns1016.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5310:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1016.ui-dns.org
A217.160.83.16🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1016.ui-dns.org
NSns1086.ui-dns.de
A2607:f1c0:fe:53:185:132:32:86🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1086.ui-dns.de
A217.160.80.86🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1086.ui-dns.de
NSns1123.ui-dns.com
A2001:8d8:fe:53:0:d9a0:527b:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1123.ui-dns.com
A217.160.82.123🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1123.ui-dns.com
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
SOAns1121.ui-dns.bizhostmaster@1und1.com 2017-06-01 #22

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1778556606

Same first word

knock-knock.jp
knock-knock.dk
knock-knock.nl
knock-knock.eu
knock-knock.cn
knock-knock.es
knock-knock.org
knock-knock.in
knock-knock.co.uk
knock-knock.io
knock-knock.com.au

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1016.ui-dns.orgns1086.ui-dns.dens1121.ui-dns.bizns1123.ui-dns.comns1.anony.nlns2.anony.nlns3.anony.euMXmx00.ionos.commx01.ionos.commail.knock-knock.orgA216.24.57.1185.27.142.104
○NSns1.anony.nl2015-07-22 → 2017-06-11 · 4 obs
● 2015-07-22 09:58:08
● 2017-06-11 01:02:54
○ 2026-03-26 15:33:10
○ 2026-05-12 03:49:30
●NSns1016.ui-dns.org2026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30
●NSns1086.ui-dns.de2026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30
●NSns1121.ui-dns.biz2026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30
●NSns1123.ui-dns.com2026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30
○NSns2.anony.nl2015-07-22 → 2017-06-11 · 4 obs
● 2015-07-22 09:58:08
● 2017-06-11 01:02:54
○ 2026-03-26 15:33:10
○ 2026-05-12 03:49:30
○NSns3.anony.eu2015-07-22 → 2017-06-11 · 4 obs
● 2015-07-22 09:58:08
● 2017-06-11 01:02:54
○ 2026-03-26 15:33:10
○ 2026-05-12 03:49:30
○MXmail.knock-knock.org2015-07-22 → 2017-06-11 · 4 obs
● 2015-07-22 09:58:08
● 2017-06-11 01:02:54
○ 2026-03-26 15:33:10
○ 2026-05-12 03:49:30
●MXmx00.ionos.com2026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30
●MXmx01.ionos.com2026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30
○A185.27.142.1042015-07-22 → 2017-06-11 · 4 obs
● 2015-07-22 09:58:08
● 2017-06-11 01:02:54
○ 2026-03-26 15:33:10
○ 2026-05-12 03:49:30
●A216.24.57.12026-03-26 → 2026-05-12 · 3 obs
○ 2017-06-11 01:02:54
● 2026-03-26 15:33:10
● 2026-05-12 03:49:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
knock-knock.orgns1123.ui-dns.com, ns1016.ui-dns.org, ns1086.ui-dns.de, ns1121.ui-dns.biz2 records

✅ Authoritative Response

Server:217.160.82.123

NS records: ns1123.ui-dns.com, ns1016.ui-dns.org, ns1086.ui-dns.de, ns1121.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knock-knock.org (unsigned zone)

⏱️ Timing

Total: 523ms | Queries: -

📄 Records

TypeCountSample Data
A1216.24.57.1
NS4ns1121.ui-dns.biz, ns1123.ui-dns.com...
MX2mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
SOA1ns1121.ui-dns.biz hostmaster.1und1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1016.ui-dns.org, ns1016.ui-dns.org)

Analysis

IP Addresses

knock-knock.org points to a single IP: 216.24.57.1.

Other host names, for instance zoro.ae, indexbiosystems.com, rzes.com, buzzbandits.net and livemeld.com share IP numbers with knock-knock.org.

Name Servers

knock-knock.org is delegated to four name servers: ns1121.ui-dns.biz, ns1123.ui-dns.com, ns1086.ui-dns.de and ns1016.ui-dns.org.

knock-knock.org at least partially shares its name servers with other domains, for instance lasamericasavenue.com, probikefrance.com, atc-primo.com, mattiasson.info and dengler.biz.

These name servers are commonly used with ns1123.ui-dns.de, ns1123.ui-dns.biz, ns1123.ui-dns.org, ns1086.ui-dns.biz, ns1086.ui-dns.com, ns1086.ui-dns.org, ns1121.ui-dns.com, ns1121.ui-dns.de, ns1121.ui-dns.org and ns1016.ui-dns.biz.

Host names with two IPs: ns1121.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5179:100 and 217.160.81.121; ns1123.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:527b:100 and 217.160.82.123; ns1086.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:86 and 217.160.80.86; ns1016.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5310:100 and 217.160.83.16.

Mail Servers

Two mail servers mx00.ionos.com and mx01.ionos.com handle knock-knock.org.

knock-knock.org uses the same mail server setup as other domains such as hatzidesigns.com, massone.name, duffbeerracing.com, ammamplified.com and lagunaloans.net.

Host names with a single IP:

mx00.ionos.com resolves to 74.208.5.3.

mx01.ionos.com resolves to 74.208.5.21.