`understandbitcoin.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.dan.com` ⭐
		A	2603:5:2125::43^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.dan.com`
		A	97.74.98.67^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.dan.com`
NS	`ns2.dan.com`
		A	2603:5:2225::43^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.dan.com`
		A	173.201.66.67^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.dan.com`
SOA	`ns1.dan.com`dns@jomax.net 2025-10-01 #0

`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=1778446961

Same first word

understandbitcoin.com

DNS History

16 records (4 active, 12 former)

○NSdns1.name-services.com2016-04-11 → 2016-04-11 · 3 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○NSdns2.name-services.com2016-04-11 → 2016-04-11 · 3 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○NSdns3.name-services.com2016-04-11 → 2016-04-11 · 3 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○NSdns4.name-services.com2016-04-11 → 2016-04-11 · 3 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○NSdns5.name-services.com2016-04-11 → 2016-04-11 · 3 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

●NSns1.dan.com2026-05-10 → 2026-05-10 · 2 obs

○ 2016-04-11 16:33:44
● 2026-05-10 21:30:40

○NSns1.justhost.com2015-05-14 → 2016-01-29 · 4 obs

● 2015-05-14 02:16:36
● 2016-01-29 15:43:28
○ 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

●NSns2.dan.com2026-05-10 → 2026-05-10 · 2 obs

○ 2016-04-11 16:33:44
● 2026-05-10 21:30:40

○NSns2.justhost.com2015-05-14 → 2016-01-29 · 4 obs

● 2015-05-14 02:16:36
● 2016-01-29 15:43:28
○ 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○MXmail.understandbitcoin.com2015-05-14 → 2016-01-29 · 4 obs

● 2015-05-14 02:16:36
● 2016-01-29 15:43:28
○ 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○MXp.nsm.ctmail.com2016-04-11 → 2016-04-11 · 3 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

●A13.248.169.482026-05-10 → 2026-05-10 · 2 obs

○ 2017-05-22 01:11:28
● 2026-05-10 21:30:40

○A173.254.28.832015-05-14 → 2016-01-29 · 4 obs

● 2015-05-14 02:16:36
● 2016-01-29 15:43:28
○ 2016-04-11 16:33:44
○ 2026-05-10 21:30:40

○A74.220.199.92016-11-23 → 2017-05-22 · 4 obs

○ 2016-04-11 16:33:44
● 2016-11-23 12:27:16
● 2017-05-22 01:11:28
○ 2026-05-10 21:30:40

●A76.223.54.1462026-05-10 → 2026-05-10 · 2 obs

○ 2017-05-22 01:11:28
● 2026-05-10 21:30:40

○A8.5.1.412016-04-11 → 2016-04-11 · 4 obs

○ 2016-01-29 15:43:28
● 2016-04-11 16:33:44
○ 2016-11-23 12:27:16
○ 2026-05-10 21:30:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
understandbitcoin.com	ns1.dan.com, ns2.dan.com	4 records

✅ Authoritative Response

Server:97.74.98.67

NS records: ns1.dan.com, ns2.dan.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for understandbitcoin.com (unsigned zone)

⏱️ Timing

Total: 284ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.dan.com, ns2.dan.com`
SOA	1	`ns1.dan.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dan.com, ns1.dan.com, ns2.dan.com...)

Analysis

IP Addresses

understandbitcoin.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

other host names including bagzaar.com, mail.microsoftdata.com, bacycs.com, milavitsa.milavitsalingerie.com and ns2.policestudy.com share IP numbers with understandbitcoin.com.

Name Servers

understandbitcoin.com is delegated to two name servers ns1.dan.com and ns2.dan.com.

understandbitcoin.com shares the same name server setup as other domains, for instance oralhealthday.org, siteadulte.com, sweetretreat.ca, www.storza.com and mx01.turkeyhairtransplant.com.

understandbitcoin.com at least partially shares name servers with other domains, for instance axistowers.com, dispute.us, invoice-funding.com, ikwileenkamer.nl and deodorant.co.za.

these name servers are often used together with ns1.undeveloped.com, ns2.undeveloped.com, i2md5hbc.verify.hn and 360e6dea.verify.hn.

Host names with two IP numbers:

The host name ns1.dan.com points to 2603:5:2125::43 and 97.74.98.67; the host name ns2.dan.com points to 2603:5:2225::43 and 173.201.66.67.

understandbitcoin.com - robtex.com