`sendfastmail.com`

DNSSEC	⚠️ Not signed
A	40.233.101.109^{🇺🇸 ORACLE-OCI-3189840.233.64.0/18 Oracle Corporation}
NS	`ns1.taslaktech.com` ⭐
		A	40.233.101.109^{🇺🇸 ORACLE-OCI-3189840.233.64.0/18 Oracle Corporation}
NS	`ns2.taslaktech.com`
		A	40.233.101.109^{🇺🇸 ORACLE-OCI-3189840.233.64.0/18 Oracle Corporation}
MX	`mail.sendfastmail.com` ⭐
		A	40.233.101.109^{🇺🇸 ORACLE-OCI-3189840.233.64.0/18 Oracle Corporation}
TXT	`v=spf1 a mx ip4:40.233.101.109 -all`
SOA	`ns1.taslaktech.com`root@sendfastmail.com 2026-04-26 #6

`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=1778310776

Subdomains

mail.sendfastmail.com

Same first word

sendfastmail.com

DNS History

17 records (4 active, 13 former)

●NSns1.taslaktech.com2026-04-27 → 2026-05-09 · 3 obs

○ 2026-04-20 05:12:34
● 2026-04-27 13:31:04
● 2026-05-09 07:37:24

●NSns2.taslaktech.com2026-04-27 → 2026-05-09 · 3 obs

○ 2026-04-20 05:12:34
● 2026-04-27 13:31:04
● 2026-05-09 07:37:24

○NSns31.guzelhosting.com2026-03-10 → 2026-04-20 · 5 obs

○ 2018-12-15 14:19:36
● 2026-03-10 05:52:28
● 2026-04-20 05:12:34
○ 2026-04-27 13:31:04
○ 2026-05-09 07:37:24

○NSns32.guzelhosting.com2026-03-10 → 2026-04-20 · 5 obs

○ 2018-12-15 14:19:36
● 2026-03-10 05:52:28
● 2026-04-20 05:12:34
○ 2026-04-27 13:31:04
○ 2026-05-09 07:37:24

○NSns33.guzelhosting.com2026-03-10 → 2026-04-20 · 5 obs

○ 2018-12-15 14:19:36
● 2026-03-10 05:52:28
● 2026-04-20 05:12:34
○ 2026-04-27 13:31:04
○ 2026-05-09 07:37:24

○NSns34.guzelhosting.com2026-03-10 → 2026-04-20 · 5 obs

○ 2018-12-15 14:19:36
● 2026-03-10 05:52:28
● 2026-04-20 05:12:34
○ 2026-04-27 13:31:04
○ 2026-05-09 07:37:24

○NSns55.domaincontrol.com2015-08-22 → 2017-02-08 · 4 obs

● 2015-08-22 07:21:22
● 2017-02-08 18:10:38
○ 2018-12-15 14:19:36
○ 2026-05-09 07:37:24

○NSns56.domaincontrol.com2015-08-22 → 2017-02-08 · 4 obs

● 2015-08-22 07:21:22
● 2017-02-08 18:10:38
○ 2018-12-15 14:19:36
○ 2026-05-09 07:37:24

○NSns77.domaincontrol.com2018-12-15 → 2018-12-15 · 4 obs

○ 2017-02-08 18:10:38
● 2018-12-15 14:19:36
○ 2026-03-10 05:52:28
○ 2026-05-09 07:37:24

○NSns78.domaincontrol.com2018-12-15 → 2018-12-15 · 4 obs

○ 2017-02-08 18:10:38
● 2018-12-15 14:19:36
○ 2026-03-10 05:52:28
○ 2026-05-09 07:37:24

●MXmail.sendfastmail.com2018-12-15 → 2026-05-09 · 7 obs

○ 2017-02-08 18:10:38
● 2018-12-15 14:19:36
● 2026-03-10 20:35:58
○ 2026-03-17 13:17:56
○ 2026-04-20 05:12:34
● 2026-04-27 13:31:04
● 2026-05-09 07:37:24

○MXmailstore1.secureserver.net2015-08-22 → 2017-02-08 · 4 obs

● 2015-08-22 07:21:22
● 2017-02-08 18:10:38
○ 2018-12-15 14:19:36
○ 2026-05-09 07:37:24

○MXsmtp.secureserver.net2015-08-22 → 2017-02-08 · 4 obs

● 2015-08-22 07:21:22
● 2017-02-08 18:10:38
○ 2018-12-15 14:19:36
○ 2026-05-09 07:37:24

○A160.153.16.652018-12-15 → 2018-12-15 · 4 obs

○ 2017-02-08 18:10:38
● 2018-12-15 14:19:36
○ 2026-03-10 05:52:28
○ 2026-05-09 07:37:24

○A31.192.214.112026-03-10 → 2026-03-10 · 5 obs

○ 2018-12-15 14:19:36
● 2026-03-10 05:52:28
● 2026-03-10 20:35:58
○ 2026-03-17 13:17:56
○ 2026-05-09 07:37:24

●A40.233.101.1092026-04-27 → 2026-05-09 · 3 obs

○ 2026-03-17 13:17:56
● 2026-04-27 13:31:04
● 2026-05-09 07:37:24

○A50.63.202.522015-08-22 → 2017-02-08 · 4 obs

● 2015-08-22 07:21:22
● 2017-02-08 18:10:38
○ 2018-12-15 14:19:36
○ 2026-05-09 07:37:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sendfastmail.com	ns1.taslaktech.com, ns2.taslaktech.com	2 records

✅ Authoritative Response

Server:40.233.101.109

NS records: ns1.taslaktech.com, ns2.taslaktech.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendfastmail.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`40.233.101.109`
NS	2	`ns2.taslaktech.com, ns1.taslaktech.com`
MX	1	`mail.sendfastmail.com (pri: 0)`
TXT	1	`v=spf1 a mx ip4:40.233.101.109 -all`
SOA	1	`ns1.taslaktech.com root.sendfastmail.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.taslaktech.com, ns2.taslaktech.com)

Analysis

Hierarchy

The parent of mail.sendfastmail.com is sendfastmail.com.

IP Addresses

sendfastmail.com points to IP number: 40.233.101.109.

Other host names such as ns2.taslaktech.com, mail.taslaktech.com, yolla.org, mail.yolla.org and mail.sendfastmail.com share IPs with sendfastmail.com.

Name Servers

sendfastmail.com is delegated to two name servers: ns1.taslaktech.com and ns2.taslaktech.com.

sendfastmail.com uses the same name server setup as other domains, including taslaktech.com and yolla.org.

Host names sharing one IP: ns1.taslaktech.com and ns2.taslaktech.com point to 40.233.101.109.

Mail Servers

sendfastmail.com is handled by a single mail server, mail.sendfastmail.com.

mail.sendfastmail.com points to a single IP: 40.233.101.109.

sendfastmail.com - robtex.com