`mail.der3.com`

DNSSEC	⚠️ Not signed
A	37.99.139.230^{🇸🇦 ATHEEB-AS37.99.139.0/24}
		PTR	`mail.arabianshield.com`
		PTR	`mail.der3.com`
A	77.232.98.204^{🇸🇦 MTC-KSA-AS77.232.98.0/24}
TXT	`v=spf1 a mx ip4:77.232.98.204 ip4:37.99.139.230 ~all`

`der3.com`

	DNSSEC	⚠️ Not signed
	A	77.232.98.201^{🇸🇦 MTC-KSA-AS77.232.98.0/24}
	NS	`ns87.worldnic.com` ⭐
	NS	`ns88.worldnic.com`
	MX	`mail.der3.com` ⭐
	TXT	`google-site-verification=OiJJWdZfSuMWZH5xgvmdVxL0Rc_nQ2-oJC18KWTemJs`
	TXT	`zscaler-verification-177505893-8022026-NKVdQ1V4Uk`
	TXT	`v=spf1 a mx ip4:77.232.98.204 ip4:37.99.139.230 ~all`
	SOA	`NS87.WORLDNIC.com`namehost@WORLDNIC.com serial=126031108

📈 Tranco rank: #644,161

PTR for

230.139.99.37.in-addr.arpa

MX for

der3.com

Same first word

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DNS History

3 records (2 active, 1 former)

●A37.99.139.2302026-03-16 → 2026-03-22 · 3 obs

○ 2016-07-06 23:21:26
● 2026-03-16 03:13:02
● 2026-03-22 15:02:34

●A77.232.98.2042026-03-16 → 2026-03-22 · 3 obs

○ 2016-07-06 23:21:26
● 2026-03-16 03:13:02
● 2026-03-22 15:02:34

○A94.77.213.2362015-07-05 → 2016-07-06 · 4 obs

● 2015-07-05 11:44:52
● 2016-07-06 23:21:26
○ 2026-03-16 03:13:02
○ 2026-03-22 15:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
der3.com	ns87.worldnic.com, ns88.worldnic.com	2 records

✅ Authoritative Response

Server: 162.159.27.117

NS records: ns87.worldnic.com, ns88.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for der3.com (unsigned zone)

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`37.99.139.230, 77.232.98.204`
TXT	1	`v=spf1 a mx ip4:77.232.98.204 ip4:37.99.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns87.worldnic.com, ns88.worldnic.com)

Analysis

Mail Server Role

mail.der3.com serves as the mail server for der3.com.

IP Addresses

mail.der3.com resolves to two IP numbers: 37.99.139.230 and 77.232.98.204.

Other host names including mail.arabianshield.com, mail.alahlitakaful.com and mail2.atmc.com.sa share IP numbers with mail.der3.com.

mail.der3.com - robtex.com

mail.der3.com

der3.com