electronics-know-how.com - dns.ninja

`electronics-know-how.com`

DNSSEC	⚠️ Not signed
A	20.82.28.58^{🇳🇱 Microsoft20.64.0.0/10}
A	20.205.146.106^{🇸🇬 Microsoft20.192.0.0/10}
A	20.245.104.207^{🇺🇸 Microsoft20.192.0.0/10}
NS	`pdns77.ultradns.com` ⭐
		A	2001:502:f3ff::71^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns77.ultradns.com`
		A	156.154.64.77^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns77.ultradns.com`
NS	`pdns77.ultradns.biz`
		A	2610:a1:1015::71^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns77.ultradns.biz`
		A	156.154.66.77^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns77.ultradns.biz`
NS	`pdns77.ultradns.net`
		A	2610:a1:1014::71^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns77.ultradns.net`
		A	156.154.65.77^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns77.ultradns.net`
NS	`pdns77.ultradns.org`
		A	2001:502:4612::71^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns77.ultradns.org`
		A	156.154.67.77^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns77.ultradns.org`
MX	`electronicsknowhow-com02i1b.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.11.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr03cu00202.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
TXT	`MS=ms48898653`
TXT	`_0b0xn4fqqxu1ndoq4ytllal9etabec7`
TXT	`_fkz2f3jp1qz5mwi8mv2bl9waz1sphhj`
TXT	`_nrkty4ongwv9sj1mj566hkik9x6im6r`
TXT	`t7wpxpmf9v34vqyh0tdhg50bj4m3xw7m`
TXT	`v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all`
SOA	`pdns77.ultradns.com`domadmin@arrow.com serial=2020074528

`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=1785903464

Subdomains

www.electronics-know-how.com

Same first word

electronics-know-how.com

DNS History

14 records (8 active, 6 former)

○NSns.second-ns.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 01:03:46
○ 2026-02-15 10:55:44
○ 2026-08-05 04:26:22

○NSns1.your-server.de2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 01:03:46
○ 2026-02-15 10:55:44
○ 2026-08-05 04:26:22

○NSns3.second-ns.de2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 01:03:46
○ 2026-02-15 10:55:44
○ 2026-08-05 04:26:22

●NSpdns77.ultradns.biz2026-02-15 → 2026-08-05 · 3 obs

○ 2016-12-20 01:03:46
● 2026-02-15 10:55:44
● 2026-08-05 04:26:22

●NSpdns77.ultradns.com2026-02-15 → 2026-08-05 · 3 obs

○ 2016-12-20 01:03:46
● 2026-02-15 10:55:44
● 2026-08-05 04:26:22

●NSpdns77.ultradns.net2026-02-15 → 2026-08-05 · 3 obs

○ 2016-12-20 01:03:46
● 2026-02-15 10:55:44
● 2026-08-05 04:26:22

●NSpdns77.ultradns.org2026-02-15 → 2026-08-05 · 3 obs

○ 2016-12-20 01:03:46
● 2026-02-15 10:55:44
● 2026-08-05 04:26:22

●MXelectronicsknowhow-com02i1b.mail.protection.outlook.com2026-02-15 → 2026-08-05 · 3 obs

○ 2016-12-20 01:03:46
● 2026-02-15 10:55:44
● 2026-08-05 04:26:22

○MXmail.electronics-know-how.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 01:03:46
○ 2026-02-15 10:55:44
○ 2026-08-05 04:26:22

○A192.0.66.1762026-02-15 → 2026-04-18 · 5 obs

○ 2016-12-20 01:03:46
● 2026-02-15 10:55:44
● 2026-04-18 17:49:50
○ 2026-04-23 02:21:40
○ 2026-08-05 04:26:22

●A20.205.146.1062026-04-23 → 2026-08-05 · 3 obs

○ 2026-04-18 17:49:50
● 2026-04-23 02:21:40
● 2026-08-05 04:26:22

●A20.245.104.2072026-04-23 → 2026-08-05 · 3 obs

○ 2026-04-18 17:49:50
● 2026-04-23 02:21:40
● 2026-08-05 04:26:22

●A20.82.28.582026-04-23 → 2026-08-05 · 3 obs

○ 2026-04-18 17:49:50
● 2026-04-23 02:21:40
● 2026-08-05 04:26:22

○A78.46.9.1942016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 01:03:46
○ 2026-02-15 10:55:44
○ 2026-08-05 04:26:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
electronics-know-how.com	pdns77.ultradns.net, pdns77.ultradns.com, pdns77.ultradns.biz, pdns77.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.64.77

NS records: pdns77.ultradns.net, pdns77.ultradns.com, pdns77.ultradns.biz, pdns77.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for electronics-know-how.com (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`20.205.146.106, 20.82.28.58...`
NS	4	`pdns77.ultradns.biz, pdns77.ultradns.com...`
MX	1	`electronicsknowhow-com02i1b.mail.protect`
TXT	6	`MS=ms48898653, _0b0xn4fqqxu1ndoq4ytllal9etabec7...`
SOA	1	`pdns77.ultradns.com domadmin.arrow.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns77.ultradns.com, pdns77.ultradns.com)

Analysis

Hierarchy

electronics-know-how.com is a parent domain of www.electronics-know-how.com.

IP Addresses

electronics-know-how.com resolves to three IP addresses: 20.82.28.58, 20.205.146.106 and 20.245.104.207.

Additional host names — planetanalog.com, www.richardsonrfpd.co.jp, www.electronicproducts.com and two others — share IP numbers with electronics-know-how.com.

Name Servers

electronics-know-how.com has four authoritative name servers: pdns77.ultradns.biz, pdns77.ultradns.com, pdns77.ultradns.net and pdns77.ultradns.org.

electronics-know-how.com shares at least some of its name servers with other domains, including arrowpem.com, transim.com, aspencorf.com and two others.

These name servers are frequently seen alongside dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 6 other name servers.

The host names pdns77.ultradns.biz, pdns77.ultradns.com, pdns77.ultradns.net and pdns77.ultradns.org each resolve to two IP addresses: pdns77.ultradns.biz resolves to 156.154.66.77 and 2610:a1:1015::71; pdns77.ultradns.com resolves to 156.154.64.77 and 2001:502:f3ff::71; pdns77.ultradns.net resolves to 156.154.65.77 and 2610:a1:1014::71; pdns77.ultradns.org resolves to 156.154.67.77 and 2001:502:4612::71.

Mail Servers

electronics-know-how.com has one mail server: electronicsknowhow-com02i1b.mail.protection.outlook.com.

electronicsknowhow-com02i1b.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.14, 52.101.11.2, 52.101.11.10 and 5 other.