`tehranmetro.com`

DNSSEC	⚠️ Not signed
NS	`j.ns.arvancdn.com` ⚠️ Not in zone NS records
		A	185.215.234.253^{🇦🇪 ARVANCLOUD-CDN185.215.234.0/24}
NS	`n.ns.arvancdn.com` ⚠️ Not in zone NS records
		A	185.215.235.253^{🇦🇪 ARVANCLOUD-CDN185.215.235.0/24}

`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=1771291435

WOT: SAFE (89/100)

Same first word

tehranmetro.com

tehranmetro.net

Similar names

themonterra.com

heartmentor.com

theretroman.com

anthrometer.com

theramentor.com

earthmentor.com

DNS History

8 records (2 active, 6 former)

●NSj.ns.arvancdn.com2026-03-14 → 2026-03-24 · 3 obs

○ 2018-09-14 01:58:36
● 2026-03-14 22:45:22
● 2026-03-24 10:45:44

●NSn.ns.arvancdn.com2026-03-14 → 2026-03-24 · 3 obs

○ 2018-09-14 01:58:36
● 2026-03-14 22:45:22
● 2026-03-24 10:45:44

○NSsrvci34-site037.site.tehran.iri2018-07-07 → 2018-09-14 · 7 obs

○ 2018-05-06 12:55:02
● 2018-07-07 09:15:10
○ 2018-08-16 06:20:46
○ 2018-09-07 10:40:56
● 2018-09-14 01:58:36
○ 2026-03-14 22:45:22
○ 2026-03-24 10:45:44

○NSsrvcp07-site0682015-08-30 → 2018-09-14 · 4 obs

● 2015-08-30 04:23:12
● 2018-09-14 01:58:36
○ 2026-03-14 22:45:22
○ 2026-03-24 10:45:44

○NSsrvcp34-site0342015-08-30 → 2018-09-07 · 7 obs

● 2015-08-30 04:23:12
● 2018-05-06 12:55:02
○ 2018-07-07 09:15:10
● 2018-08-16 06:20:46
● 2018-09-07 10:40:56
○ 2018-09-14 01:58:36
○ 2026-03-24 10:45:44

○MX31.24.234.422015-09-06 → 2018-09-14 · 5 obs

○ 2015-08-30 04:23:12
● 2015-09-06 05:42:22
● 2018-09-14 01:58:36
○ 2026-03-14 22:45:22
○ 2026-03-24 10:45:44

○MX31.24.234.422015-08-30 → 2015-08-30 · 3 obs

● 2015-08-30 04:23:12
○ 2015-09-06 05:42:22
○ 2026-03-24 10:45:44

○A31.24.238.1442015-08-30 → 2018-09-14 · 4 obs

● 2015-08-30 04:23:12
● 2018-09-14 01:58:36
○ 2026-03-14 22:45:22
○ 2026-03-24 10:45:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
tehranmetro.com	n.ns.arvancdn.com, j.ns.arvancdn.com	2 records

✅ Authoritative Response

Server:185.215.234.253

NS records: n.ns.arvancdn.com, j.ns.arvancdn.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tehranmetro.com (unsigned zone)

⏱️ Timing

Total: 281ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (n.ns.arvancdn.com, j.ns.arvancdn.com)

Analysis

Name Servers

tehranmetro.com's delegation uses two name servers, j.ns.arvancdn.com and n.ns.arvancdn.com.

tehranmetro.com at least partially shares name servers with other domains, including epchr.ir, pardis.com, yazdkit.com, argesabz.com and ashpazkala.com.

These name servers are typically used together with the name servers d.ns.arvancdn.com, l.ns.arvancdn.com, x.ns.arvancdn.com, q.ns.arvancdn.com, irns1.netafraz.com, irns2.netafraz.com, s.ns.arvancdn.com, c.ns.arvancdn.com, ns20.avinnet.com and ns21.avinnet.com.

Host names with a single IP:

j.ns.arvancdn.com points to 185.215.234.253.

n.ns.arvancdn.com points to 185.215.235.253.

tehranmetro.com - robtex.com

tehranmetro.com

com