btcref.com - dns.ninja
btcref.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.70.184.38🇫🇷 GANDI-AS217.70.184.0/24 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | webredir.vip.gandi.net | ||||||
| NS | a.dns.gandi.net ⭐ | ||||||
| A | 2604:3400:abca::1🇺🇸 GANDI-LIVEDNS2604:3400:abca::/48 A-DNS | ||||||
| PTR | a.dns.gandi.net | ||||||
| A | 173.246.98.1🇺🇸 GANDI-LIVEDNS173.246.98.0/24 A-DNS | ||||||
| PTR | a.dns.gandi.net | ||||||
| NS | b.dns.gandi.net | ||||||
| A | 2001:4b98:abcb::1🇫🇷 GANDI-LIVEDNS2001:4b98:abcb::/48 B-DNS | ||||||
| PTR | b.dns.gandi.net | ||||||
| A | 213.167.229.1🇫🇷 GANDI-LIVEDNS213.167.229.0/24 B-DNS | ||||||
| PTR | b.dns.gandi.net | ||||||
| NS | c.dns.gandi.net | ||||||
| A | 2604:3400:abcc::1🇺🇸 GANDI-LIVEDNS2604:3400:abcc::/48 c.dns.gandi.net | ||||||
| PTR | c.dns.gandi.net | ||||||
| A | 217.70.179.1🇫🇷 GANDI-LIVEDNS217.70.179.0/24 C-DNS | ||||||
| PTR | c.dns.gandi.net | ||||||
| MX | spool.mail.gandi.net ⭐ | ||||||
| A | 2001:4b98:e00::1🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool.mail.gandi.net | ||||||
| A | 217.70.178.1🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool.mail.gandi.net | ||||||
| MX | fb.mail.gandi.net(50) | ||||||
| A | 2001:4b98:dc4:8::215🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool6.mail.gandi.net | ||||||
| A | 2001:4b98:dc4:8::216🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool7.mail.gandi.net | ||||||
| A | 2001:4b98:dc4:8::217🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool8.mail.gandi.net | ||||||
| A | 217.70.178.215🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool6.mail.gandi.net | ||||||
| A | 217.70.178.216🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool7.mail.gandi.net | ||||||
| A | 217.70.178.217🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool8.mail.gandi.net | ||||||
| TXT | v=spf1 include:_mailcust.gandi.net ?all | ||||||
| SOA | a.dns.gandi.nethostmaster@gandi.net serial=1484668036 | ||||||
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.netnstld@verisign-grs.com serial=1782601885 | ||||||
Same first word
Similar names
DNS History
19 records (6 active, 13 former)
●NSa.dns.gandi.net2016-04-03 → 2026-06-27 · 3 obs
● 2016-04-03 02:49:14
● 2026-06-27 23:18:20
●NSb.dns.gandi.net2016-04-03 → 2026-06-27 · 3 obs
● 2016-04-03 02:49:14
● 2026-06-27 23:18:20
●NSc.dns.gandi.net2016-04-03 → 2026-06-27 · 3 obs
● 2016-04-03 02:49:14
● 2026-06-27 23:18:20
○NSdns1.name-services.com2015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 23:17:34
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
○NSdns1.registrar-servers.com2015-08-23 → 2015-10-18 · 4 obs
● 2015-10-18 12:55:38
○ 2015-12-23 23:17:34
○ 2026-06-27 23:18:20
○NSdns2.name-services.com2015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 23:17:34
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
○NSdns2.registrar-servers.com2015-08-23 → 2015-10-18 · 4 obs
● 2015-10-18 12:55:38
○ 2015-12-23 23:17:34
○ 2026-06-27 23:18:20
○NSdns3.name-services.com2015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 23:17:34
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
○NSdns3.registrar-servers.com2015-08-23 → 2015-10-18 · 4 obs
● 2015-10-18 12:55:38
○ 2015-12-23 23:17:34
○ 2026-06-27 23:18:20
○NSdns4.name-services.com2015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 23:17:34
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
○NSdns4.registrar-servers.com2015-08-23 → 2015-10-18 · 4 obs
● 2015-10-18 12:55:38
○ 2015-12-23 23:17:34
○ 2026-06-27 23:18:20
○NSdns5.name-services.com2015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 23:17:34
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
○NSdns5.registrar-servers.com2015-08-23 → 2015-10-18 · 4 obs
● 2015-10-18 12:55:38
○ 2015-12-23 23:17:34
○ 2026-06-27 23:18:20
●MXfb.mail.gandi.net2016-04-03 → 2026-06-27 · 3 obs
● 2016-04-03 02:49:14
● 2026-06-27 23:18:20
○MXp.nsm.ctmail.com2015-12-23 → 2015-12-23 · 3 obs
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
●MXspool.mail.gandi.net2016-04-03 → 2026-06-27 · 3 obs
● 2016-04-03 02:49:14
● 2026-06-27 23:18:20
○A107.191.45.192015-08-23 → 2015-10-18 · 4 obs
● 2015-10-18 12:55:38
○ 2015-12-23 23:17:34
○ 2026-06-27 23:18:20
●A217.70.184.382016-04-03 → 2026-06-27 · 3 obs
● 2016-04-03 02:49:14
● 2026-06-27 23:18:20
○A64.74.223.362015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 23:17:34
○ 2016-04-03 02:49:14
○ 2026-06-27 23:18:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| btcref.com | a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net | - |
✅ Authoritative Response
Server:173.246.98.1
NS records: a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btcref.com (unsigned zone)
⏱️ Timing
Total: 518ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.70.184.38 |
| NS | 3 | c.dns.gandi.net, a.dns.gandi.net... |
| MX | 2 | spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50) |
| TXT | 1 | v=spf1 include:_mailcust.gandi.net ?all |
| SOA | 1 | a.dns.gandi.net hostmaster.gandi.net |
Analysis
IP Addresses
btcref.com has exactly one IP address — 217.70.184.38.
eclair.fr, madcan.fr, a-m-i.eu plus two other host names have IP numbers in common with btcref.com.
Name Servers
Three name servers are authoritative for btcref.com: a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net.
btcref.com partially shares its NS delegation with several other domains, including uaflife-patrimoine.fr, custo.bar, daffy.eu and two others.
a.dns.gandi.net resolves to 173.246.98.1 and 2604:3400:abca::1. b.dns.gandi.net resolves to 213.167.229.1 and 2001:4b98:abcb::1. c.dns.gandi.net resolves to 217.70.179.1 and 2604:3400:abcc::1. All three hostnames point to two IP numbers each.
Mail Servers
btcref.com uses two mail servers, fb.mail.gandi.net and spool.mail.gandi.net.
The mail server setup of btcref.com matches that of other domains such as abort-report.eu, dbox-online.fr, cual-es-mi-direccion-ip.com and two others.
There is at least a partial overlap in mail servers between btcref.com and other domains like navr.in, lescapitaines.com and avelia.fr.
Hosts with 6 IP addresses each:
fb.mail.gandi.net carries IP addresses 217.70.178.215, 217.70.178.216 and 217.70.178.217, with 3 other addresses beyond those.
Host names pointing to two IP addresses:
spool.mail.gandi.net maps to two IP addresses — 217.70.178.1 and 2001:4b98:e00::1.