`programmingbitcoin.com`

DNSSEC	⚠️ Not signed
A	89.167.117.85^{🇩🇪 Hetzner89.167.0.0/17 HETZNER-DC}
		PTR	`static.85.117.167.89.clients.your-server.de`
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
TXT	`google-site-verification=-o3lLctfrBl4_nQVIEHeepklTv06Ek-hkFSBesYW9so`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1772328666

`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=1778373341

Previously MX for

programmingbitcoin.com

Same first word

programmingbitcoin.com

DNS History

20 records (8 active, 12 former)

●NSdns1.registrar-servers.com2020-03-27 → 2026-05-10 · 3 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-05-10 01:01:38

●NSdns2.registrar-servers.com2020-03-27 → 2026-05-10 · 3 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-05-10 01:01:38

○NSns8087.hostgator.com2015-08-16 → 2016-03-15 · 4 obs

● 2015-08-16 17:42:04
● 2016-03-15 05:57:10
○ 2016-07-02 10:21:18
○ 2026-05-10 01:01:38

○NSns8088.hostgator.com2015-08-16 → 2016-03-15 · 4 obs

● 2015-08-16 17:42:04
● 2016-03-15 05:57:10
○ 2016-07-02 10:21:18
○ 2026-05-10 01:01:38

○MXalt1.aspmx.l.google.com2020-03-27 → 2026-02-24 · 5 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

○MXalt2.aspmx.l.google.com2020-03-27 → 2026-02-24 · 5 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

○MXalt3.aspmx.l.google.com2020-03-27 → 2026-02-24 · 5 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

○MXalt4.aspmx.l.google.com2020-03-27 → 2026-02-24 · 5 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

○MXaspmx.l.google.com2020-03-27 → 2026-02-24 · 5 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

●MXeforward1.registrar-servers.com2026-03-02 → 2026-05-10 · 3 obs

○ 2026-02-24 14:54:32
● 2026-03-02 05:39:42
● 2026-05-10 01:01:38

●MXeforward2.registrar-servers.com2026-03-02 → 2026-05-10 · 3 obs

○ 2026-02-24 14:54:32
● 2026-03-02 05:39:42
● 2026-05-10 01:01:38

●MXeforward3.registrar-servers.com2026-03-02 → 2026-05-10 · 3 obs

○ 2026-02-24 14:54:32
● 2026-03-02 05:39:42
● 2026-05-10 01:01:38

●MXeforward4.registrar-servers.com2026-03-02 → 2026-05-10 · 3 obs

○ 2026-02-24 14:54:32
● 2026-03-02 05:39:42
● 2026-05-10 01:01:38

●MXeforward5.registrar-servers.com2026-03-02 → 2026-05-10 · 3 obs

○ 2026-02-24 14:54:32
● 2026-03-02 05:39:42
● 2026-05-10 01:01:38

○MXprogrammingbitcoin.com2015-08-16 → 2016-03-15 · 4 obs

● 2015-08-16 17:42:04
● 2016-03-15 05:57:10
○ 2016-07-02 10:21:18
○ 2026-05-10 01:01:38

○A107.152.39.772026-02-17 → 2026-02-24 · 5 obs

○ 2020-03-27 21:09:00
● 2026-02-17 03:55:56
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

○A162.212.156.2022020-03-27 → 2020-03-27 · 4 obs

○ 2016-07-02 10:21:18
● 2020-03-27 21:09:00
○ 2026-02-17 03:55:56
○ 2026-05-10 01:01:38

○A192.185.37.192015-08-16 → 2016-03-15 · 4 obs

● 2015-08-16 17:42:04
● 2016-03-15 05:57:10
○ 2016-07-02 10:21:18
○ 2026-05-10 01:01:38

○A192.64.119.1842026-02-17 → 2026-02-24 · 5 obs

○ 2020-03-27 21:09:00
● 2026-02-17 03:55:56
● 2026-02-24 14:54:32
○ 2026-03-02 05:39:42
○ 2026-05-10 01:01:38

●A89.167.117.852026-03-02 → 2026-05-10 · 3 obs

○ 2026-02-24 14:54:32
● 2026-03-02 05:39:42
● 2026-05-10 01:01:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programmingbitcoin.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingbitcoin.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.167.117.85`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`v=spf1 include:spf.efwd.registrar-server, google-site-verification=-o3lLctfrBl4_nQ`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

programmingbitcoin.com points to an IP address: 89.167.117.85.

Other host names, for instance programmingblockchain.com, share IP numbers with programmingbitcoin.com.

Name Servers

Two name servers dns1.registrar-servers.com and dns2.registrar-servers.com handle the delegation for programmingbitcoin.com.

programmingbitcoin.com shares the same name server setup as other domains, for instance aidanjw.com, shellontheborder.com, mrslove.org, zachsteinbrook.com and cam(0x77686f7265)s9.tv.

programmingbitcoin.com at least partially shares name servers with other domains, for instance bdincorporated.com, fabryq.net, codefrags.org, flickpadapp.com and jeffbarnhill.com.

These name servers are commonly used alongside dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200.

dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

Mail Servers

programmingbitcoin.com is served by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

programmingbitcoin.com shares at least partially some mail servers with other domains, for instance polymargin.org, neptune-lsd.com, nagonu.com, barreway.com and hubflc.ing.