`prebiology.com`

DNSSEC	⚠️ Not signed
A	162.255.119.155^{🇺🇸 NAMCHEAP-PH162.255.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
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`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1751667567

`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=1778319996

⚠️ On DNS blocklist: tif

Same first word

prebiology.com

DNS History

12 records (8 active, 4 former)

●NSdns1.registrar-servers.com2026-05-07 → 2026-05-09 · 3 obs

○ 2019-12-15 17:37:08
● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

●NSdns2.registrar-servers.com2026-05-07 → 2026-05-09 · 3 obs

○ 2019-12-15 17:37:08
● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

○NSns1.undeveloped.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 17:37:08
○ 2026-05-07 00:19:10
○ 2026-05-09 10:14:42

○NSns2.undeveloped.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 17:37:08
○ 2026-05-07 00:19:10
○ 2026-05-09 10:14:42

●MXeforward1.registrar-servers.com2026-05-07 → 2026-05-09 · 2 obs

● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

●MXeforward2.registrar-servers.com2026-05-07 → 2026-05-09 · 2 obs

● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

●MXeforward3.registrar-servers.com2026-05-07 → 2026-05-09 · 2 obs

● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

●MXeforward4.registrar-servers.com2026-05-07 → 2026-05-09 · 2 obs

● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

●MXeforward5.registrar-servers.com2026-05-07 → 2026-05-09 · 2 obs

● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

●A162.255.119.1552026-05-07 → 2026-05-09 · 3 obs

○ 2019-12-15 17:37:08
● 2026-05-07 00:19:10
● 2026-05-09 10:14:42

○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 17:37:08
○ 2026-05-07 00:19:10
○ 2026-05-09 10:14:42

○A52.58.78.162019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 17:37:08
○ 2026-05-07 00:19:10
○ 2026-05-09 10:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
prebiology.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prebiology.com (unsigned zone)

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.255.119.155`
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	1	`v=spf1 include:spf.efwd.registrar-server`
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

prebiology.com resolves to a single IP: 162.255.119.155.

Other host names, for instance boldbinary.com, marchforthemartyrs.com, bagasaurus.com, kidsgrowoutside.com and irvinecondos.net share IP numbers with prebiology.com.

Name Servers

prebiology.com has two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

prebiology.com shares the same name server setup as other domains, for example uxgeek.com, servitechurch.org, mnug.net, blueheronimports.com and pathwise.org.

prebiology.com shares some name servers with other domains, for instance visitsoutheastengland.org, coffeebean.net and bkkfoodservice.com.

These name servers are often used together with 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

prebiology.com is handled 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.

prebiology.com shares some mail servers with other domains, at least partially; for instance 41bm.cc, whetner.com, sell-myproperty.com, imgy.us and whereguidewatch.com.