constructingmodernknowledge.com - dns.ninja

`constructingmodernknowledge.com`

DNSSEC	⚠️ Not signed
A	74.208.236.110^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
		PTR	`74-208-236-110.elastic-ssl.ui-r.com`
NS	`ns1039.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5127:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.biz`
		A	217.160.81.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.biz`
NS	`ns1039.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5227:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.com`
		A	217.160.82.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
NS	`ns1039.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5027:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.de`
		A	217.160.80.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.de`
NS	`ns1039.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5327:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.org`
		A	217.160.83.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`google-site-verification=FPAICfl0dKGY1NsYAqwHqR4P9hgJzC6UR_R8Pw1wA5Y`
TXT	`v=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kunden...`
SOA	`ns1039.ui-dns.biz`hostmaster@1and1.com 2016-06-03 #65

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782753801

Subdomains

www.constructingmodernknowledge.com

Same first word

constructingmodernknowledge.com

DNS History

14 records (7 active, 7 former)

●NSns1039.ui-dns.biz2026-03-06 → 2026-06-29 · 3 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-06-29 17:25:34

●NSns1039.ui-dns.com2026-03-06 → 2026-06-29 · 3 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-06-29 17:25:34

●NSns1039.ui-dns.de2026-03-06 → 2026-06-29 · 3 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-06-29 17:25:34

●NSns1039.ui-dns.org2026-03-06 → 2026-06-29 · 3 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-06-29 17:25:34

○NSns57.1and1.com2015-06-07 → 2017-02-07 · 4 obs

● 2015-06-07 05:54:54
● 2017-02-07 22:07:44
○ 2026-03-06 05:06:04
○ 2026-06-29 17:25:34

○NSns58.1and1.com2015-06-07 → 2017-02-07 · 4 obs

● 2015-06-07 05:54:54
● 2017-02-07 22:07:44
○ 2026-03-06 05:06:04
○ 2026-06-29 17:25:34

○MXmx00.1and1.com2015-06-07 → 2017-02-07 · 4 obs

● 2015-06-07 05:54:54
● 2017-02-07 22:07:44
○ 2026-03-06 05:06:04
○ 2026-06-29 17:25:34

●MXmx00.ionos.com2026-03-06 → 2026-06-29 · 8 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-05-11 10:15:52
○ 2026-06-06 03:09:38
● 2026-06-08 12:22:10
○ 2026-06-11 21:08:48
● 2026-06-13 09:45:06
● 2026-06-29 17:25:34

○MXmx01.1and1.com2015-06-07 → 2017-02-07 · 4 obs

● 2015-06-07 05:54:54
● 2017-02-07 22:07:44
○ 2026-03-06 05:06:04
○ 2026-06-29 17:25:34

●MXmx01.ionos.com2026-03-06 → 2026-06-29 · 8 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-05-11 10:15:52
○ 2026-06-06 03:09:38
● 2026-06-08 12:22:10
○ 2026-06-11 21:08:48
● 2026-06-13 09:45:06
● 2026-06-29 17:25:34

○A74.208.108.1602016-02-11 → 2016-02-11 · 4 obs

○ 2015-11-12 05:15:50
● 2016-02-11 11:28:16
○ 2016-06-21 18:08:32
○ 2026-06-29 17:25:34

○A74.208.120.762015-06-07 → 2015-11-12 · 4 obs

● 2015-06-07 05:54:54
● 2015-11-12 05:15:50
○ 2016-02-11 11:28:16
○ 2026-06-29 17:25:34

○A74.208.215.1272016-06-21 → 2017-02-07 · 5 obs

○ 2016-02-11 11:28:16
● 2016-06-21 18:08:32
● 2017-02-07 22:07:44
○ 2026-03-06 05:06:04
○ 2026-06-29 17:25:34

●A74.208.236.1102026-03-06 → 2026-06-29 · 8 obs

○ 2017-02-07 22:07:44
● 2026-03-06 05:06:04
● 2026-05-11 10:15:52
○ 2026-06-06 03:09:38
● 2026-06-08 12:22:10
○ 2026-06-11 21:08:48
● 2026-06-13 09:45:06
● 2026-06-29 17:25:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...	-
constructingmodernknowledge.com	ns1039.ui-dns.de, ns1039.ui-dns.biz, ns1039.ui-dns.org, ns1039.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.39

NS records: ns1039.ui-dns.de, ns1039.ui-dns.biz, ns1039.ui-dns.org, ns1039.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructingmodernknowledge.com (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.110`
NS	4	`ns1039.ui-dns.org, ns1039.ui-dns.com...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	2	`v=spf1 include:_spf.perfora.net include:, google-site-verification=FPAICfl0dKGY1Ns`
SOA	1	`ns1039.ui-dns.biz hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1039.ui-dns.com, ns1039.ui-dns.com)

Analysis

Hierarchy

www.constructingmodernknowledge.com is a subdomain of constructingmodernknowledge.com.

IP Addresses

constructingmodernknowledge.com has exactly one IP address — 74.208.236.110.

instagrat.org, startran.com, s578037797.onlinehome.us plus two other host names have IP numbers in common with constructingmodernknowledge.com.

Name Servers

Four name servers handle the delegation for constructingmodernknowledge.com: ns1039.ui-dns.biz, ns1039.ui-dns.com, ns1039.ui-dns.de and ns1039.ui-dns.org.

The name servers of constructingmodernknowledge.com overlap at least partially with those of other domains — among them hymnody.info, veraloom.com, ashton-moore.co.uk and two more.

These name servers tend to appear together with the name servers ns1041.ui-dns.de, ns1093.ui-dns.com and ns1046.ui-dns.de, plus two others.

Each of the four hosts ns1039.ui-dns.biz, ns1039.ui-dns.com, ns1039.ui-dns.de and ns1039.ui-dns.org has two IP addresses. ns1039.ui-dns.biz points to 217.160.81.39 and 2001:8d8:fe:53:0:d9a0:5127:100. ns1039.ui-dns.com points to 217.160.82.39 and 2001:8d8:fe:53:0:d9a0:5227:100. ns1039.ui-dns.de points to 217.160.80.39 and 2001:8d8:fe:53:0:d9a0:5027:100. ns1039.ui-dns.org points to 217.160.83.39 and 2001:8d8:fe:53:0:d9a0:5327:100.

Mail Servers

constructingmodernknowledge.com uses two mail servers, mx00.ionos.com and mx01.ionos.com.

The mail server setup of constructingmodernknowledge.com matches that of other domains such as gainspark.com, powerandclass.info, blakeandcody.com and two others.

Both mx00.ionos.com and mx01.ionos.com have a single IP address each — mx00.ionos.com resolves to 74.208.5.3 while mx01.ionos.com resolves to 74.208.5.21.