rtfa.ir - dns.ninja

rtfa.ir

DNSSEC⚠️ Not signed
NSns488.phtco.com ⚠️ Not in zone NS records
A185.88.153.48🇮🇷 BertinaTechnologyCompany185.88.153.0/24 IR-BERTINA-DC
PTRserver488.bertina.biz
NSns489.phtco.com ⚠️ Not in zone NS records
A185.88.153.48🇮🇷 BertinaTechnologyCompany185.88.153.0/24 IR-BERTINA-DC
PTRserver488.bertina.biz

ir

DNSSEC🔒 Signed (DS record present)
NSa.nic.ir ⭐
NSb.nic.ir
NSc.nic.ir
NSd.nic.ir
SOAa.nic.irinfo@nic.ir serial=2606291430

MX for

rtfa.ir

Subdomains

www.rtfa.ir

Same first word

rtfa.com
rtfa.as
rtfa.site
rtfa.org.au
rtfa.net
rtfa.ir

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DNS History

11 records (2 active, 9 former)

20162017201820192020202120222023202420252026NSns488.phtco.comns489.phtco.coma-ir9.serverpars.comb-ir9.serverpars.comirns23.serverpars.comirns24.serverpars.comMXmail.rtfa.irrtfa.irA185.55.224.50185.55.227.84185.88.153.48
○NSa-ir9.serverpars.com2017-08-11 → 2017-08-11 · 4 obs
○ 2016-10-14 17:17:32
● 2017-08-11 15:13:42
○ 2026-06-14 15:34:54
○ 2026-06-29 11:47:22
○NSb-ir9.serverpars.com2017-08-11 → 2017-08-11 · 4 obs
○ 2016-10-14 17:17:32
● 2017-08-11 15:13:42
○ 2026-06-14 15:34:54
○ 2026-06-29 11:47:22
○NSirns23.serverpars.com2015-07-05 → 2016-04-16 · 4 obs
● 2015-07-05 09:30:10
● 2016-04-16 04:29:48
○ 2016-10-14 17:17:32
○ 2026-06-29 11:47:22
○NSirns24.serverpars.com2015-07-05 → 2016-04-16 · 4 obs
● 2015-07-05 09:30:10
● 2016-04-16 04:29:48
○ 2016-10-14 17:17:32
○ 2026-06-29 11:47:22
●NSns488.phtco.com2026-06-14 → 2026-06-29 · 3 obs
○ 2017-08-11 15:13:42
● 2026-06-14 15:34:54
● 2026-06-29 11:47:22
●NSns489.phtco.com2026-06-14 → 2026-06-29 · 3 obs
○ 2017-08-11 15:13:42
● 2026-06-14 15:34:54
● 2026-06-29 11:47:22
○MXmail.rtfa.ir2017-08-11 → 2017-08-11 · 4 obs
○ 2016-10-14 17:17:32
● 2017-08-11 15:13:42
○ 2026-06-14 15:34:54
○ 2026-06-29 11:47:22
○MXrtfa.ir2015-07-05 → 2026-06-29 · 6 obs
● 2015-07-05 09:30:10
● 2016-04-16 04:29:48
○ 2016-10-14 17:17:32
○ 2026-06-18 09:52:16
● 2026-06-29 08:14:26
○ 2026-06-29 11:47:22
○A185.55.224.502015-07-05 → 2016-04-16 · 4 obs
● 2015-07-05 09:30:10
● 2016-04-16 04:29:48
○ 2016-10-14 17:17:32
○ 2026-06-29 11:47:22
○A185.55.227.842017-08-11 → 2017-08-11 · 4 obs
○ 2016-10-14 17:17:32
● 2017-08-11 15:13:42
○ 2026-06-14 15:34:54
○ 2026-06-29 11:47:22
○A185.88.153.482026-06-29 → 2026-06-29 · 3 obs
○ 2026-06-14 15:34:54
● 2026-06-29 08:14:26
○ 2026-06-29 11:47:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
irc.nic.ir, a.nic.ir, b.nic.ir, d.nic.ir8 records
rtfa.irns489.phtco.com, ns488.phtco.com-

✅ Authoritative Response

Server:185.88.153.48

NS records: ns489.phtco.com, ns488.phtco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfa.ir (unsigned zone)

⏱️ Timing

Total: 1196ms | Queries: -

📄 Records

TypeCountSample Data
A1185.88.153.48
NS2ns488.phtco.com, ns489.phtco.com
MX1rtfa.ir (pri: 0)
TXT2v=spf1 +a +mx +ip4:185.88.153.48 ~all, d42f3df2d3066278cc9f9614a3c49885468132be
SOA1ns488.phtco.com it.bertina.biz

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.nic.ir, c.nic.ir, b.nic.ir...)

Analysis

Hierarchy

rtfa.ir is a parent domain of www.rtfa.ir.

Mail Server Role

rtfa.ir handles its own mail, functioning as its own mail server.

Name Servers

rtfa.ir is delegated to two name servers: ns488.phtco.com and ns489.phtco.com.

rtfa.ir shares its NS records with other domains, for example sinab.ir, farboom.net, pdirasa.com and two others.

ns488.phtco.com and ns489.phtco.com both resolve to the same single IP address: 185.88.153.48.

ns488.phtco.com and ns489.phtco.com are host names that each point to 185.88.153.48 IP addresses.