`bio-serum.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3cb9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c7f0^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.185^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.240^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alina.ns.cloudflare.com`
		A	108.162.192.61^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	172.64.32.61^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	173.245.58.61^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
NS	`derek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
MX	`mail.bio-serum.com` ⭐
		A	135.181.136.154^{🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC}
			PTR	`phevos.hellobl.de`
TXT	`v=spf1 +a +mx +ip4:135.181.136.154 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.60.185, 172.67.199.240
		IPv6	2606:4700:3030::6815:3cb9, 2606:4700:3036::ac43:c7f0
SOA	`alina.ns.cloudflare.com`dns@cloudflare.com serial=2398963158

`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=1774834462

Subdomains

mail.bio-serum.com

Same first word

bio-serum.gr

bio-serum.com

DNS History

29 records (7 active, 22 former)

●NSalina.ns.cloudflare.com2026-03-30 → 2026-03-30 · 3 obs

○ 2017-07-07 14:29:44
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

●NSderek.ns.cloudflare.com2026-03-30 → 2026-03-30 · 3 obs

○ 2017-07-07 14:29:44
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

○NSdns1.name-services.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

○NSdns2.name-services.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

○NSdns3.name-services.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

○NSdns4.name-services.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

○NSdns5.name-services.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

○NSf1g1ns1.dnspod.net2017-07-07 → 2017-07-07 · 4 obs

○ 2016-07-25 10:33:32
● 2017-07-07 14:29:44
○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○NSf1g1ns2.dnspod.net2017-07-07 → 2017-07-07 · 4 obs

○ 2016-07-25 10:33:32
● 2017-07-07 14:29:44
○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○NSns1.serveriai.lt2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2017-07-07 14:29:44
○ 2026-03-30 01:35:44

○NSns2.serveriai.lt2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2017-07-07 14:29:44
○ 2026-03-30 01:35:44

○NSns3.serveriai.lt2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2017-07-07 14:29:44
○ 2026-03-30 01:35:44

○NSns4.serveriai.lt2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2017-07-07 14:29:44
○ 2026-03-30 01:35:44

○MXbio-serum.com2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

●MXmail.bio-serum.com2026-03-30 → 2026-03-30 · 3 obs

○ 2016-07-25 10:33:32
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

○MXmx-backup1.serveriai.lt2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○MXmx-backup2.serveriai.lt2015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○MXp.nsm.ctmail.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

●A104.21.60.1852026-03-30 → 2026-03-30 · 3 obs

○ 2017-07-07 14:29:44
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

○A107.151.70.1782017-07-07 → 2017-07-07 · 4 obs

○ 2016-07-25 10:33:32
● 2017-07-07 14:29:44
○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

●A172.67.199.2402026-03-30 → 2026-03-30 · 3 obs

○ 2017-07-07 14:29:44
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

○A188.114.96.02026-03-30 → 2026-03-30 · 2 obs

○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○A188.114.97.02026-03-30 → 2026-03-30 · 2 obs

○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

●A2606:4700:3030::6815:3cb92026-03-30 → 2026-03-30 · 3 obs

○ 2017-07-07 14:29:44
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

●A2606:4700:3036::ac43:c7f02026-03-30 → 2026-03-30 · 3 obs

○ 2017-07-07 14:29:44
● 2026-03-30 01:35:42
● 2026-03-30 01:35:44

○A2a06:98c1:3120::2026-03-30 → 2026-03-30 · 2 obs

○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○A2a06:98c1:3121::2026-03-30 → 2026-03-30 · 2 obs

○ 2026-03-30 01:35:42
○ 2026-03-30 01:35:44

○A69.64.147.172008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 20:21:22
○ 2015-08-17 15:05:54
○ 2026-03-30 01:35:44

○A79.98.28.222015-08-17 → 2016-07-25 · 5 obs

○ 2008-11-28 20:21:22
● 2015-08-17 15:05:54
● 2016-07-25 10:33:32
○ 2017-07-07 14:29:44
○ 2026-03-30 01:35:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bio-serum.com	alina.ns.cloudflare.com, derek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.61

NS records: alina.ns.cloudflare.com, derek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bio-serum.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.60.185, 172.67.199.240`
AAAA	2	`2606:4700:3036::ac43:c7f0, 2606:4700:3030::6815:3cb9`
NS	2	`alina.ns.cloudflare.com, derek.ns.cloudflare.com`
MX	1	`mail.bio-serum.com (pri: 10)`
TXT	1	`v=spf1 +a +mx +ip4:135.181.136.154 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alina.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (alina.ns.cloudflare.com, alina.ns.cloudflare.com, alina.ns.cloudflare.com...)

Analysis

Hierarchy

mail.bio-serum.com has bio-serum.com as its parent.

IP Addresses

bio-serum.com maps to four IP numbers: 2606:4700:3030::6815:3cb9, 2606:4700:3036::ac43:c7f0, 104.21.60.185 and 172.67.199.240.

Other host names, for instance namcam.info, 3ddv.com, spinnakergroup.co.nz, znoticias.com and mx.interagepr.com.br share IP numbers with bio-serum.com.

Name Servers

Two name servers alina.ns.cloudflare.com and derek.ns.cloudflare.com are delegated to bio-serum.com.

bio-serum.com uses the same name server configuration as other domains, such as ledger-of-collapse.com, 71.241.91.in-addr.arpa, shopyspeed.com, elondres.com and easicash.co.za.

bio-serum.com at least partially shares name servers with other domains such as alliance.com.ph, versoft.com.br, backoffice-e200m.net, surgesuppressioninc.com and mottie.com.

these name servers are commonly used with the name servers lennon.ns.cloudflare.com.

Host names with six IP numbers: Host name alina.ns.cloudflare.com points to 2606:4700:50::adf5:3a3d, 2803:f800:50::6ca2:c03d, 2a06:98c1:50::ac40:203d, 108.162.192.61, 172.64.32.61 and 173.245.58.61; host name derek.ns.cloudflare.com points to 2606:4700:58::adf5:3b9a, 2803:f800:50::6ca2:c19a, 2a06:98c1:50::ac40:219a, 108.162.193.154, 172.64.33.154 and 173.245.59.154.

Mail Servers

bio-serum.com is handled by a single mail server, mail.bio-serum.com.

mail.bio-serum.com points to one IP number: 135.181.136.154.

bio-serum.com - robtex.com

bio-serum.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`bio-serum.com`

`com`