class-fm.com - robtex.com

class-fm.com

DNSSEC⚠️ Not signed
A85.131.213.87🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16706.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXclass-fm.com ⭐
A85.131.213.87🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16706.xserver.jp
TXTv=spf1 +a:sv16706.xserver.jp +a:class-fm.com +mx include:spf.sender.xserver.j...
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774391212

Subdomains

mail.class-fm.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.ns-tr.comns1508.ztomy.comns2.ns-tr.comns2508.ztomy.comMXclass-fm.commx1.class-fm.comA85.131.213.87208.91.197.20831.6.91.49
○NSns1.ns-tr.com2015-11-06 → 2016-04-21 · 5 obs
○ 2015-07-09 02:25:44
● 2015-11-06 20:16:04
● 2016-04-21 18:37:18
○ 2016-12-07 04:40:38
○ 2026-03-24 22:42:32
●NSns1.xserver.jp2026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32
○NSns1508.ztomy.com2015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 02:25:44
○ 2015-11-06 20:16:04
○ 2026-03-24 22:42:32
○NSns2.ns-tr.com2015-11-06 → 2016-04-21 · 5 obs
○ 2015-07-09 02:25:44
● 2015-11-06 20:16:04
● 2016-04-21 18:37:18
○ 2016-12-07 04:40:38
○ 2026-03-24 22:42:32
●NSns2.xserver.jp2026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32
○NSns2508.ztomy.com2015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 02:25:44
○ 2015-11-06 20:16:04
○ 2026-03-24 22:42:32
●NSns3.xserver.jp2026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32
●NSns4.xserver.jp2026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32
●NSns5.xserver.jp2026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32
●MXclass-fm.com2026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32
○MXmx1.class-fm.com2015-11-06 → 2016-04-21 · 4 obs
● 2015-11-06 20:16:04
● 2016-04-21 18:37:18
○ 2016-12-07 04:40:38
○ 2026-03-24 22:42:32
○A208.91.197.2082015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 02:25:44
○ 2015-11-06 20:16:04
○ 2026-03-24 22:42:32
○A31.6.91.492015-11-06 → 2016-04-21 · 5 obs
○ 2015-07-09 02:25:44
● 2015-11-06 20:16:04
● 2016-04-21 18:37:18
○ 2016-12-07 04:40:38
○ 2026-03-24 22:42:32
●A85.131.213.872026-03-24 → 2026-03-24 · 3 obs
○ 2016-12-07 04:40:38
● 2026-03-24 22:42:30
● 2026-03-24 22:42:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...-
class-fm.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:183.90.224.230

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class-fm.com (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.213.87
NS5ns5.xserver.jp, ns3.xserver.jp...
MX1class-fm.com (pri: 0)
TXT1v=spf1 +a:sv16706.xserver.jp +a:class-fm
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

class-fm.com is the parent of mail.class-fm.com.

IP Addresses

class-fm.com resolves to one IP number: 85.131.213.87.

other host names including mobile-life.biz, mx1.genkilo.com, johs.jp, gc-net.co.jp and hatta8-club.com share IP numbers with class-fm.com.

Name Servers

class-fm.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

class-fm.com at least partially shares name servers with other domains, for instance theoatc.org, aki-f.info, vidweb.net, eminiwai.com and leedstime.com.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246; ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247; ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26; ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

class-fm.com is served by a single mail server, class-fm.com.

class-fm.com resolves to IP 85.131.213.87.