`mail.biscience.com`

CNAME	`ghs.google.com`
DNSSEC	⚠️ Not signed
A	2607:f8b0:4007:803::2013^{🇺🇸 Google2607:f8b0:4007::/48}
		PTR	`dclaxb-av-in-x13.1e100.net`
		PTR	`lax17s02-in-x13.1e100.net`
		PTR	`lax17s38-in-x13.1e100.net`
A	142.251.34.83^{🇺🇸 Google142.251.34.0/24}

`biscience.com`

	DNSSEC	⚠️ Not signed
	A	162.159.135.42^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	NS	`ns-782.awsdns-33.net` ⭐
	NS	`ns-1500.awsdns-59.org`
	NS	`ns-1573.awsdns-04.co.uk`
	NS	`ns-354.awsdns-44.com`
	MX	`biscience-com.mail.protection.outlook.com` ⭐
	TXT	`1password-site-verification=NFUUHMT5VBBIVIBXBZMDGM2WJI`
	TXT	`MS=ms48429754`
	TXT	`google-site-verification=8ko_ne11jUl_vIV7saO_G0_3JxOVrelLMVAUDaLlXHE`
	TXT	`google-site-verification=TcpF-xhOaxVKUiKr6rwNivPvSkBYJtIfQncHzJQYw8A`
	TXT	`google-site-verification=i9RsUgAR3_h1IAyByUUSYxFHv46mq8vCFmh04cpi9gU`
	TXT	`v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net ip4:178.23...`
	TXT	`vdjh2zv79m4dywjgxr0xs3vbqcjbm9kk`
	SOA	`ns-782.awsdns-33.net`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (47/100)
⚠️ On DNS blocklist: ultimate
WOT: SAFE (21/100)
📈 Tranco rank: #617,361

PTR for

40.42.237.178.in-addr.arpa

Same first word

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DNS History

20 records (1 active, 19 former)

○A173.194.206.1212015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2404:6800:4003:c01::792015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2404:6800:4008:c02::792015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2607:f8b0:400d:c08::792015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2607:f8b0:400e:c02::792015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2607:f8b0:400e:c04::792015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2800:3f0:4003:c00::792015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A2a00:1450:400b:c02::792015-06-14 → 2015-10-29 · 4 obs

● 2015-06-14 08:36:30
● 2015-10-29 18:07:42
○ 2016-01-21 02:28:12
○ 2026-04-14 01:14:42

○A2a00:1450:400c:c01::792016-01-21 → 2016-01-21 · 4 obs

○ 2015-10-29 18:07:42
● 2016-01-21 02:28:12
○ 2016-06-19 10:14:46
○ 2026-04-14 01:14:42

○A2a00:1450:400c:c0a::792016-06-19 → 2016-06-19 · 4 obs

○ 2016-01-21 02:28:12
● 2016-06-19 10:14:46
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A64.233.167.1212016-06-19 → 2016-06-19 · 4 obs

○ 2016-01-21 02:28:12
● 2016-06-19 10:14:46
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A64.233.186.1212015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A74.125.129.1212015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A74.125.130.1212015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A74.125.195.1212016-01-21 → 2016-01-21 · 4 obs

○ 2015-10-29 18:07:42
● 2016-01-21 02:28:12
○ 2016-06-19 10:14:46
○ 2026-04-14 01:14:42

○A74.125.23.1212015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

○A74.125.24.1212015-06-14 → 2015-10-29 · 4 obs

● 2015-06-14 08:36:30
● 2015-10-29 18:07:42
○ 2016-01-21 02:28:12
○ 2026-04-14 01:14:42

○A74.125.28.1212015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 08:36:30
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

●CNAMEghs.google.com2015-06-14 → 2026-04-14 · 2 obs

● 2015-06-14 08:36:30
● 2026-04-14 01:14:42

○CNAMEghs.l.google.com2015-10-29 → 2016-06-19 · 5 obs

○ 2015-06-14 08:36:30
● 2015-10-29 18:07:42
● 2016-06-19 10:14:46
○ 2026-04-02 06:34:38
○ 2026-04-14 01:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
biscience.com	ns-354.awsdns-44.com, ns-782.awsdns-33.net, ns-1573.awsdns-04.co.uk, ns-1500.awsdns-59.org	1 record
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-
biscience.com	ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net	-

✅ Authoritative Response

Server:205.251.193.98

NS records: ns-1500.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-354.awsdns-44.com, ns-782.awsdns-33.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biscience.com (unsigned zone)

⏱️ Timing

Total: 533ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`ghs.google.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-354.awsdns-44.com)

Analysis

IP Addresses

mail.biscience.com points to two IP numbers: 2607:f8b0:4007:803::2013 and 142.251.34.83.

Other host names such as mortenwinesworldn.feedproxy.ghs.google.com, pub-6060916830435805.afd.ghs.google.com, 1r4o4cj.feedproxy.ghs.google.com, pub-9952312488300415.afd.ghs.google.com and dump.cloud share IP numbers with mail.biscience.com.

mail.biscience.com - robtex.com