`sfbiophys.org`

DNSSEC	⚠️ Not signed
A	109.234.164.91^{🇫🇷 O2SWITCH109.234.164.0/22}
		PTR	`109-234-164-91.reverse.odns.fr`
NS	`ns1.gandi.net` ⭐
		A	2001:4b98:aaaa::2^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-1-a.gandi.net`
		A	173.246.100.2^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-1-a.gandi.net`
NS	`ns-162-a.gandi.net`
		A	2001:4b98:aaaa::a3^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-162-a.gandi.net`
		A	173.246.100.163^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-162-a.gandi.net`
NS	`ns-217-c.gandi.net`
		A	2604:3400:aaac::da^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-217-c.gandi.net`
		A	217.70.187.218^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-217-c.gandi.net`
NS	`ns-69-b.gandi.net`
		A	2001:4b98:aaab::46^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns-69-b.gandi.net`
		A	213.167.230.70^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-69-b.gandi.net`
MX	`sfb.freeboxos.fr` ⭐
		A	2a01:e0a:b1a:56f0::1^{🇫🇷 PROXAD2a01:e00::/26 ProXad network / Free SAS}
		A	82.67.72.32^{🇫🇷 PROXAD82.64.0.0/14 ProXad network / Free SA Paris, France}
			PTR	`pas38-2_migr-82-67-72-32.fbx.proxad.net`
MX	`mx1.hc1609-83.eu.iphmx.com`⁽⁶⁰⁾
		A	194.165.192.129^{🇺🇸 CISCO-2194.165.192.0/24}
		A	194.165.193.100^{🇺🇸 CISCO-2194.165.193.0/24}
MX	`mx2.hc1609-83.eu.iphmx.com`⁽⁶⁰⁾
		A	194.165.192.129^{🇺🇸 CISCO-2194.165.192.0/24}
		A	194.165.193.100^{🇺🇸 CISCO-2194.165.193.0/24}
TXT	`v=spf1 +ip4:109.234.164.91 +include:_mailcust.gandi.net +include:spf.mailjet....`
TXT	`zoho-verification=zb72580767.zmverify.zoho.eu`
TXT	`XFM0Verify86LYsDomain95EgYm3xOwnership4Tkx681`
TXT	`BtE678MsP845`
TXT	`sendinblue-code:63c78360c479783e5c784b036560740d`
SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1775692800

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776099556

WOT: SAFE (60/100)

Same first word

sfbiophys.org

DNS History

13 records (8 active, 5 former)

○NSa.dns.gandi.net2015-07-09 → 2017-02-17 · 4 obs

● 2015-07-09 04:25:08
● 2017-02-17 04:17:36
○ 2026-03-13 03:44:46
○ 2026-04-13 17:33:08

○NSb.dns.gandi.net2015-07-09 → 2017-02-17 · 4 obs

● 2015-07-09 04:25:08
● 2017-02-17 04:17:36
○ 2026-03-13 03:44:46
○ 2026-04-13 17:33:08

○NSc.dns.gandi.net2015-07-09 → 2017-02-17 · 4 obs

● 2015-07-09 04:25:08
● 2017-02-17 04:17:36
○ 2026-03-13 03:44:46
○ 2026-04-13 17:33:08

●NSns-162-a.gandi.net2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

●NSns-217-c.gandi.net2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

●NSns-69-b.gandi.net2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

●NSns1.gandi.net2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

○MXcip01-mx.curie.fr2015-07-09 → 2017-02-17 · 4 obs

● 2015-07-09 04:25:08
● 2017-02-17 04:17:36
○ 2026-03-13 03:44:46
○ 2026-04-13 17:33:08

○MXcip02-mx.curie.u-psud.fr2015-07-09 → 2017-02-17 · 4 obs

● 2015-07-09 04:25:08
● 2017-02-17 04:17:36
○ 2026-03-13 03:44:46
○ 2026-04-13 17:33:08

●MXmx1.hc1609-83.eu.iphmx.com2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

●MXmx2.hc1609-83.eu.iphmx.com2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

●MXsfb.freeboxos.fr2026-03-13 → 2026-04-13 · 3 obs

○ 2017-02-17 04:17:36
● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

●A109.234.164.912026-03-13 → 2026-04-13 · 2 obs

● 2026-03-13 03:44:46
● 2026-04-13 17:33:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
sfbiophys.org	ns-69-b.gandi.net, ns-217-c.gandi.net, ns-162-a.gandi.net	-

✅ Authoritative Response

Server:173.246.100.163

NS records: ns-69-b.gandi.net, ns-217-c.gandi.net, ns-162-a.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfbiophys.org (unsigned zone)

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.234.164.91`
NS	3	`ns-162-a.gandi.net, ns-217-c.gandi.net...`
MX	3	`mx2.hc1609-83.eu.iphmx.com (pri: 60), mx1.hc1609-83.eu.iphmx.com (pri: 60)...`
TXT	5	`v=spf1 +ip4:109.234.164.91 +include:_mai, zoho-verification=zb72580767.zmverify.zo...`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`

Analysis

IP Addresses

sfbiophys.org resolves to a single IP: 109.234.164.91.

Other host names, for instance lecrusoe.fr, lacledufuneraire.com, cngrandval.com, chevaliers-saint-antoine.fr and 109-234-164-91.reverse.odns.fr share IP numbers with sfbiophys.org.

Name Servers

sfbiophys.org is delegated to four name servers: ns-162-a.gandi.net, ns-217-c.gandi.net, ns-69-b.gandi.net and ns1.gandi.net.

sfbiophys.org shares some name servers with other domains, for example blacklist.io, irsuite.com, t4ex.com, dsbrowser.com and bpcemutuelle.fr.

These name servers are often used together with ns-194-c.gandi.net, ns-126-b.gandi.net, ns-229-b.gandi.net, ns-211-a.gandi.net, ns-189-b.gandi.net, ns-123-a.gandi.net, ns-228-a.gandi.net, ns-39-a.gandi.net and ns-226-a.gandi.net.

Host names with two IP numbers

Two IPs per host:

ns-162-a.gandi.net points to 2001:4b98:aaaa::a3 and 173.246.100.163

ns-217-c.gandi.net points to 2604:3400:aaac::da and 217.70.187.218

ns-69-b.gandi.net points to 2001:4b98:aaab::46 and 213.167.230.70

ns1.gandi.net points to 2001:4b98:aaaa::2 and 173.246.100.2

Mail Servers

sfbiophys.org is handled by three mail servers: sfb.freeboxos.fr, mx1.hc1609-83.eu.iphmx.com and mx2.hc1609-83.eu.iphmx.com.

sfbiophys.org shares some mail servers with other domains, at least partially; for instance curie.net, curie.u-psud.fr, campus-curie.net, curie.fr and apicrypt.curie.net.