tfdev.org - dns.ninja

tfdev.org

DNSSEC⚠️ Not signed
A36.52.211.1🇯🇵 FBDC36.52.208.0/21 FreeBit CIDR X-Keiro:nic-noc@FreeBit.NET
PTR1.211.52.36.ap.yournet.ne.jp
NSmaster.dns.ne.jp
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXaspmx.l.google.com
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
PTRwv-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2019-12-30 #0

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1782055059

Same first word

Similar names

DNS History

13 records (11 active, 2 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA36.52.211.1202.216.14.161202.216.19.177
NSmaster.dns.ne.jp2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
NSns1.dns.ne.jp2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
NSns2.dns.ne.jp2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXalt1.aspmx.l.google.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXalt2.aspmx.l.google.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXaspmx.l.google.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXaspmx2.googlemail.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXaspmx3.googlemail.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXaspmx4.googlemail.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
MXaspmx5.googlemail.com2015-08-18 → 2026-06-21 · 2 obs
● 2015-08-18 14:11:48
● 2026-06-21 15:27:12
A202.216.14.1612017-04-09 → 2017-04-09 · 4 obs
○ 2016-07-18 02:01:30
● 2017-04-09 00:12:12
○ 2026-03-06 19:56:30
○ 2026-06-21 15:27:12
A202.216.19.1772015-08-18 → 2016-07-18 · 4 obs
● 2015-08-18 14:11:48
● 2016-07-18 02:01:30
○ 2017-04-09 00:12:12
○ 2026-06-21 15:27:12
A36.52.211.12026-03-06 → 2026-06-21 · 3 obs
○ 2017-04-09 00:12:12
● 2026-03-06 19:56:30
● 2026-06-21 15:27:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
tfdev.orgns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tfdev.org (unsigned zone)

⏱️ Timing

Total: 916ms | Queries: -

📄 Records

TypeCountSample Data
A136.52.211.1
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX7aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1v=spf1 include:_spf.google.com ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

IP Addresses

tfdev.org has exactly one IP address — 36.52.211.1.

1.211.52.36.ap.yournet.ne.jp is an example of another host name that shares IP numbers with tfdev.org.

Name Servers

tfdev.org has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least some of tfdev.org's name servers are shared with other domains, for example tokyocat.sakura.ne.jp, tatibana.ed.jp, nature-aroma.com and two more.

Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

tfdev.org uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

At least some of the mail servers used by tfdev.org are shared with other domains: ns500742.ns500731.ns500731.ns500671.ns500731.ns500705.ns500704.ns500705.ns500705.ns500291.ns500678.ns500291.ns500666.ns500291.ns500131.lustychickser.com, ns500731.ns500742.ns500731.ns500671.ns500688.ns500705.ns500705.ns500705.ns500671.ns500671.ns500131.lustychickser.com, ns500693.ns500734.ns500693.ns500699.ns500693.ns500734.ns500699.ns500699.ns500588.ns500683.ns500588.ns500683.ns500632.ns500632.ns500588.ns500588.dtrkdll.com and two others among them.

These mail servers are often deployed together with aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com resolves to 142.251.163.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1a IP addresses.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.26 IP addresses.