`jeffzemerick.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
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`
TXT	`google-site-verification=NCxoIaza8NnpVDAkfcWceq5lFG9POkv5peuPhXWmxKc`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1783915774

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

blog.jeffzemerick.dev

Same first word

jeffzemerick.dev

DNS History

16 records (10 active, 6 former)

●NSdns1.registrar-servers.com2026-02-24 → 2026-07-15 · 2 obs

● 2026-02-24 06:24:36
● 2026-07-15 11:57:26

●NSdns2.registrar-servers.com2026-02-24 → 2026-07-15 · 2 obs

● 2026-02-24 06:24:36
● 2026-07-15 11:57:26

○MXalt1.aspmx.l.google.com2026-02-24 → 2026-05-03 · 3 obs

● 2026-02-24 06:24:36
● 2026-05-03 05:08:18
○ 2026-07-15 11:57:26

○MXalt2.aspmx.l.google.com2026-02-24 → 2026-05-03 · 3 obs

● 2026-02-24 06:24:36
● 2026-05-03 05:08:18
○ 2026-07-15 11:57:26

○MXaspmx.l.google.com2026-02-24 → 2026-05-03 · 3 obs

● 2026-02-24 06:24:36
● 2026-05-03 05:08:18
○ 2026-07-15 11:57:26

○MXaspmx2.googlemail.com2026-02-24 → 2026-05-03 · 3 obs

● 2026-02-24 06:24:36
● 2026-05-03 05:08:18
○ 2026-07-15 11:57:26

○MXaspmx3.googlemail.com2026-02-24 → 2026-05-03 · 3 obs

● 2026-02-24 06:24:36
● 2026-05-03 05:08:18
○ 2026-07-15 11:57:26

●A185.199.108.1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A185.199.109.1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A185.199.110.1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A185.199.111.1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A2606:50c0:8000::1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A2606:50c0:8001::1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A2606:50c0:8002::1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

●A2606:50c0:8003::1532026-07-15 → 2026-07-15 · 2 obs

○ 2026-05-03 05:08:18
● 2026-07-15 11:57:26

○A35.202.21.902026-02-24 → 2026-05-03 · 3 obs

● 2026-02-24 06:24:36
● 2026-05-03 05:08:18
○ 2026-07-15 11:57:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
jeffzemerick.dev	dns1.registrar-servers.com, dns2.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.132.200

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 564ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.110.153...`
AAAA	4	`2606:50c0:8003::153, 2606:50c0:8001::153...`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
TXT	1	`google-site-verification=NCxoIaza8NnpVDA`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

Analysis

Hierarchy

jeffzemerick.dev serves as the parent of blog.jeffzemerick.dev.

IP Addresses

jeffzemerick.dev points to 8 IP addresses, including 185.199.108.153, 185.199.109.153 and 185.199.110.153, plus 5 other.

rohitrastogi.github.io, gudi.guru, cahdemoura.github.io plus two other host names have IP numbers in common with jeffzemerick.dev.

Name Servers

jeffzemerick.dev is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

The name server configuration of jeffzemerick.dev is shared with other domains, for instance bubblybride.com, wwcattorneys.com, petsarehuman.com and two others.

jeffzemerick.dev shares at least some of its name servers with domains including monero.world, vestatoppings.com and mckmail.net

These name servers tend to appear together with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.

jeffzemerick.dev - robtex.com