`mx04.fd.org`

DNSSEC	⚠️ Not signed
A	206.16.244.35^{🇺🇸 AS2386206.16.244.0/24}
		PTR	`mx04.fd.org`
TXT	`v=spf1 a ~all`

`fd.org`

	DNSSEC	⚠️ Not signed
	A	206.16.244.34^{🇺🇸 AS2386206.16.244.0/24}
	NS	`a11-64.akam.net` ⭐
	NS	`a1-221.akam.net`
	NS	`a16-65.akam.net`
	NS	`a2-66.akam.net`
	NS	`a24-67.akam.net`
	NS	`a7-64.akam.net`
	MX	`mx03.fd.org` ⭐
	MX	`mx04.fd.org` ⭐
	TXT	`MS=ms67630027`
	TXT	`A7qPW01VGOybsEkfvURM7Bs0vGC2cBE6fuJ/w0XjsPul3tru2LOjpVsSKg8HtOp5Y+lAw0tCMhK/v...`
	TXT	`v=spf1 mx ip4:206.16.244.16 ip4:206.16.244.35 include:spf.protection.outlook....`
	TXT	`_anigxfmxp2hzjncpdzs53ofx765cf37`
	TXT	`_74hm733fp3w1w3ibp2stb6fehmwi6xj`
	TXT	`identrust_validate=7nDdzzPg5ne4Am0NlIWSrvD5squ3IQvUcdrY3Ix4ZsaA`
	TXT	`identrust_validate=GTl/2kQkq+pUr/v+Mjjsx0+N8iUv2UBQCjHeKhzPAwXo`
	TXT	`domain-verification=p58AedJ36tG2XPpz3iJ3CUjPNKFjNGwkxB5zmQrEZ9U`
	TXT	`cisco-ci-domain-verification=68d14e0cdcb6df17a80ec6fbf1dd2cd0bd23eb75cb1da867...`
	TXT	`MS=ms47904958`
	TXT	`identrust_validate=3ZDbF3pT6o36nvKF001kBtJVu1FRSNq2yNFXjr8+nzYX`
	TXT	`dtm-domain-verification=09jTSQcNHpxk03O9MHTenRuOBt23NnSLrlkhtuvv0CE`
	TXT	`duo_sso_verification=1n2g2YSCMdaZDGsQqcaKpRexK18sJtgrLJlQfU61iC14UAlqA86xiDAw...`
	TXT	`identrust_validate=92irjelP/YG7xMOSrgRGZkdCm+7P/u2aghWwwyAPmjB/`
	TXT	`identrust_validate=X5UTJ8afrWzc6TM7p71ZVA/kNYwuTvN9h93heguCgg0J`
	TXT	`zjjd8022rxxr7tsr5vc746b2p23wjkwk`
	SOA	`a11-64.akam.net`hostmaster@fd.org 2010-12-06 #99

rank #231410 globally
rank #16512 in the tld
📈 Tranco rank: #54,326

PTR for

35.244.16.206.in-addr.arpa

MX for

capdefnet.org

fd.gov

fd.org

Same first word

mx04.kinghost.net

mx04.com

Similar names

xm40.com

mx40.co.za

04xm.com

04mx.com

mx40.org

DNS History

2 records (1 active, 1 former)

●A206.16.244.352026-02-17 → 2026-03-23 · 3 obs

○ 2020-11-25 07:37:04
● 2026-02-17 06:37:04
● 2026-03-23 06:16:48

○A63.241.44.162015-05-17 → 2020-11-25 · 4 obs

● 2015-05-17 07:44:10
● 2020-11-25 07:37:04
○ 2026-02-17 06:37:04
○ 2026-03-23 06:16:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
fd.org	a24-67.akam.net, a11-64.akam.net, a2-66.akam.net, a1-221.akam.net...	-

✅ Authoritative Response

Server:193.108.91.221

NS records: a24-67.akam.net, a11-64.akam.net, a2-66.akam.net, a1-221.akam.net, a16-65.akam.net, a7-64.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fd.org (unsigned zone)

⏱️ Timing

Total: 502ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`206.16.244.35`
TXT	1	`v=spf1 a ~all`

Analysis

Mail Server Role

mx04.fd.org acts as mail server for capdefnet.org, fd.gov and fd.org.

mx03.fd.org is commonly used as a mail server in conjunction with mx04.fd.org.

IP Addresses

mx04.fd.org points to a single IP number: 206.16.244.35.

mx04.fd.org - robtex.com

mx04.fd.org

fd.org