`planplan.ac`

DNSSEC	⚠️ Not signed
A	13.35.78.41^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
		PTR	`server-13-35-78-41.iad61.r.cloudfront.net`
A	13.35.78.50^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.59^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.122^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
NS	`ns-1196.awsdns-21.org` ⭐
		A	2600:9000:5304:ac00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1196.awsdns-21.org`
		A	205.251.196.172^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1196.awsdns-21.org`
NS	`ns-1908.awsdns-46.co.uk`
		A	2600:9000:5307:7400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1908.awsdns-46.co.uk`
		A	205.251.199.116^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1908.awsdns-46.co.uk`
NS	`ns-353.awsdns-44.com`
		A	2600:9000:5301:6100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-353.awsdns-44.com`
		A	205.251.193.97^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-353.awsdns-44.com`
NS	`ns-912.awsdns-50.net`
		A	2600:9000:5303:9000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-912.awsdns-50.net`
		A	205.251.195.144^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-912.awsdns-50.net`
MX	`mail1017.onamae.ne.jp` ⭐
		A	160.251.148.139^{🇯🇵 GMOOSK-NET160.251.148.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mail1017.onamae.ne.jp`
TXT	`google-site-verification=ofuiPUMkH6zGFRzu37N_-v1pQI8JY4vuBMAXMqjpDM0`
TXT	`google-site-verification=pnCJy8xnG8eZBM0yrxgJEK8XRm350s5yqqkm0_ix_aI`
TXT	`v=spf1 +a:sv1097.wpx.ne.jp +a:planplan.ac +mx + include:_spf.onamae.ne.jp ~all`
SOA	`ns-1196.awsdns-21.org`awsdns-hostmaster@amazon.com serial=1

`ac`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.ac` ⭐
	NS	`a2.nic.ac`
	NS	`b0.nic.ac`
	NS	`c0.nic.ac`
	SOA	`a0.nic.ac`hostmaster@donuts.email serial=1772387306

Same first word

planplan.com

planplan.nl

planplan.co.kr

planplan.net

planplan.ac

planplan.de

DNS History

17 records (9 active, 8 former)

●NSns-1196.awsdns-21.org2026-02-15 → 2026-03-01 · 2 obs

● 2026-02-15 04:38:28
● 2026-03-01 20:18:14

●NSns-1908.awsdns-46.co.uk2026-02-15 → 2026-03-01 · 2 obs

● 2026-02-15 04:38:28
● 2026-03-01 20:18:14

●NSns-353.awsdns-44.com2026-02-15 → 2026-03-01 · 2 obs

● 2026-02-15 04:38:28
● 2026-03-01 20:18:14

●NSns-912.awsdns-50.net2026-02-15 → 2026-03-01 · 2 obs

● 2026-02-15 04:38:28
● 2026-03-01 20:18:14

●MXmail1017.onamae.ne.jp2026-02-15 → 2026-03-01 · 2 obs

● 2026-02-15 04:38:28
● 2026-03-01 20:18:14

●A13.35.78.1222026-02-15 → 2026-03-01 · 28 obs

○ 2026-02-15 04:38:28
● 2026-02-15 22:51:54
○ 2026-02-15 23:40:44
○ 2026-02-17 03:34:28
● 2026-02-17 08:33:52
○ 2026-02-17 09:16:06
● 2026-02-19 05:51:02
○ 2026-02-19 08:31:06
○ 2026-02-20 01:03:56
● 2026-02-20 02:07:00
○ 2026-02-20 05:02:46
● 2026-02-20 10:42:56
○ 2026-02-20 19:21:12
● 2026-02-21 05:53:52
● 2026-02-21 13:40:34
○ 2026-02-22 05:58:32
○ 2026-02-23 20:56:38
● 2026-02-24 04:35:14
● 2026-02-24 13:18:48
○ 2026-02-24 18:18:18
● 2026-02-27 01:05:40
○ 2026-02-27 02:27:02
○ 2026-02-27 13:04:52
● 2026-02-27 14:43:36
○ 2026-02-28 00:17:10
○ 2026-03-01 10:26:04
● 2026-03-01 20:18:12
● 2026-03-01 20:18:14

●A13.35.78.412026-02-15 → 2026-03-01 · 28 obs

●A13.35.78.502026-02-15 → 2026-03-01 · 28 obs

●A13.35.78.592026-02-15 → 2026-03-01 · 28 obs

○A18.154.144.1062026-02-22 → 2026-03-01 · 10 obs

○ 2026-02-22 05:58:32
● 2026-02-22 10:55:08
○ 2026-02-23 15:32:44
○ 2026-02-24 13:18:48
● 2026-02-24 18:18:18
○ 2026-02-27 01:05:40
○ 2026-02-28 00:17:10
● 2026-03-01 10:26:04
○ 2026-03-01 20:18:12
○ 2026-03-01 20:18:14

○A18.154.144.292026-02-22 → 2026-03-01 · 10 obs

○A18.154.144.432026-02-22 → 2026-03-01 · 10 obs

○A18.154.144.932026-02-22 → 2026-03-01 · 10 obs

○A18.172.153.1032026-02-15 → 2026-02-28 · 27 obs

● 2026-02-15 04:38:28
○ 2026-02-15 22:51:54
● 2026-02-15 23:40:44
● 2026-02-17 03:34:28
○ 2026-02-17 08:33:52
● 2026-02-17 09:16:06
○ 2026-02-19 05:51:02
● 2026-02-19 08:31:06
● 2026-02-20 01:03:56
○ 2026-02-20 02:07:00
● 2026-02-20 05:02:46
○ 2026-02-20 10:42:56
● 2026-02-20 19:21:12
○ 2026-02-21 05:53:52
○ 2026-02-21 13:40:34
● 2026-02-22 05:58:32
○ 2026-02-22 10:55:08
● 2026-02-23 15:32:44
● 2026-02-23 20:56:38
○ 2026-02-24 04:35:14
○ 2026-02-27 01:05:40
● 2026-02-27 02:27:02
● 2026-02-27 13:04:52
○ 2026-02-27 14:43:36
● 2026-02-28 00:17:10
○ 2026-03-01 10:26:04
○ 2026-03-01 20:18:14

○A18.172.153.1102026-02-15 → 2026-02-28 · 27 obs

○A18.172.153.142026-02-15 → 2026-02-28 · 27 obs

○A18.172.153.892026-02-15 → 2026-02-28 · 27 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ac	a2.nic.ac, b0.nic.ac, c0.nic.ac, a0.nic.ac	-
planplan.ac	ns-912.awsdns-50.net, ns-1908.awsdns-46.co.uk, ns-1196.awsdns-21.org, ns-353.awsdns-44.com	-

✅ Authoritative Response

Server: 205.251.195.144

NS records: ns-912.awsdns-50.net, ns-1908.awsdns-46.co.uk, ns-1196.awsdns-21.org, ns-353.awsdns-44.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for planplan.ac (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.78.122, 13.35.78.50...`
NS	4	`ns-1196.awsdns-21.org, ns-1908.awsdns-46.co.uk...`
MX	1	`mail1017.onamae.ne.jp (pri: 10)`
TXT	3	`google-site-verification=ofuiPUMkH6zGFRz, google-site-verification=pnCJy8xnG8eZBM0...`
SOA	1	`ns-1196.awsdns-21.org awsdns-hostmaster.`

Analysis

IP Addresses

planplan.ac refers to four IP numbers: 13.35.78.41, 13.35.78.50, 13.35.78.59 and 13.35.78.122.

Other host names, for instance ibekaan.de, kgbtraining.coursehost.com, casinoplus.com, yle.fi and ws.taimi.com share IP numbers with planplan.ac.

Name Servers

planplan.ac delegates to four name servers: ns-353.awsdns-44.com, ns-912.awsdns-50.net, ns-1196.awsdns-21.org and ns-1908.awsdns-46.co.uk.

planplan.ac at least partially shares name servers with other domains, including media.puregaming.org, axecore.org, d35zstgfbnor8f.cloudfront.net, loganandcove.ca and fhlcpaasplus.com.

Host names with two IP numbers: ns-353.awsdns-44.com points to 2600:9000:5301:6100::1 and 205.251.193.97; ns-912.awsdns-50.net points to 2600:9000:5303:9000::1 and 205.251.195.144; ns-1196.awsdns-21.org points to 2600:9000:5304:ac00::1 and 205.251.196.172; ns-1908.awsdns-46.co.uk points to 2600:9000:5307:7400::1 and 205.251.199.116.

Mail Servers

A single mail server handles planplan.ac, mail1017.onamae.ne.jp.

planplan.ac shares the same mail server setup as other domains, for instance tap-mi.com, mapofmath.net, ralba.com, lebreton.jp and willsit.jp.

planplan.ac shares at least some mail servers with other domains, for example tomoeaihara.com, skydeco.net, 4w2h.com, jokijoki.com and chizai.org.

Host name mail1017.onamae.ne.jp resolves to a single IP: 160.251.148.139.

planplan.ac - robtex.com

planplan.ac

ac

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`planplan.ac`

`ac`