`devio2016.classmethod.jp`

DNSSEC	⚠️ Not signed
A	18.160.0.59^{🇺🇸 Amazon18.160.0.0/21}
		PTR	`server-18-160-0-59.iad12.r.cloudfront.net`
A	18.160.0.67^{🇺🇸 Amazon18.160.0.0/21}
A	18.160.0.95^{🇺🇸 Amazon18.160.0.0/21}
A	18.160.0.230^{🇺🇸 Amazon18.160.0.0/21}

`classmethod.jp`

	DNSSEC	⚠️ Not signed
	A	2600:9000:20ea:2c00:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:3600:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:6400:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:8200:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:8e00:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:ae00:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:d400:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	2600:9000:20ea:f800:1a:2fc4:3800:93a1^{🇺🇸 Amazon2600:9000:20ea::/48 - CloudFront}
	A	13.35.78.28^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
	A	13.35.78.108^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
	A	13.35.78.117^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
	A	13.35.78.129^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
	NS	`ns-266.awsdns-33.com` ⭐
	NS	`ns-1421.awsdns-49.org`
	NS	`ns-1722.awsdns-23.co.uk`
	NS	`ns-576.awsdns-08.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁷⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽⁷⁰⁾
	MX	`aspmx2.googlemail.com`⁽⁸⁰⁾
	MX	`aspmx3.googlemail.com`⁽⁸⁰⁾
	MX	`aspmx4.googlemail.com`⁽⁸⁰⁾
	MX	`aspmx5.googlemail.com`⁽⁸⁰⁾
	TXT	`00D28000001HHA2=1TBQ90000000TA5`
	TXT	`015591260915`
	TXT	`MS=0D67295996F001EE1F39064E6AF3DCBF7F137245`
	TXT	`MS=ms34603984`
	TXT	`Notion_verify_EDvvYdmr0azGBPCUaFs7L8JM3Coc9dwmnyim4WqKXjAvG0ifvE1njcpJexu5k44...`
	TXT	`anthropic-domain-verification-pafmny=yrHJnEhTr1vA13PVGanaQjZjk`
	TXT	`cursor-domain-verification-cswv2a=6ZbpJnYSMVbUqjae5zGOk3Uro`
	TXT	`google-site-verification=Al5XjKaWGVE8ySCHESnbjJ8yOrk20-CDNSTkAAwJDc0`
	TXT	`openai-domain-verification=dv-Byu4bw523cmMy9qoKEWZVJs0`
	TXT	`v=spf1 include:_spf.google.com include:_spf.activegate-ss.jp include:amazonse...`
	TXT	`zapier-domain-verification-challenge=223d408a-4cb0-4964-a606-e0ab35fc001d`
	SOA	`ns-266.awsdns-33.com`awsdns-hostmaster@amazon.com serial=1

rank #37555 globally
rank #767 in the tld
📈 Tranco rank: #118,407

DNS History

28 records (4 active, 24 former)

○A13.227.194.1632026-04-11 → 2026-05-05 · 10 obs

○ 2026-04-11 06:39:04
● 2026-04-11 23:37:14
○ 2026-04-12 01:28:22
● 2026-04-12 03:15:30
● 2026-04-14 17:47:14
○ 2026-04-16 12:41:44
○ 2026-05-05 06:54:10
● 2026-05-05 10:38:44
○ 2026-05-06 04:31:56
○ 2026-07-04 11:55:22

○A13.227.194.1752026-04-11 → 2026-05-05 · 10 obs

○A13.227.194.1882026-04-11 → 2026-05-05 · 10 obs

○A13.227.194.592026-04-11 → 2026-05-05 · 10 obs

●A18.160.0.2302026-02-28 → 2026-07-04 · 17 obs

● 2026-02-28 21:17:24
● 2026-03-12 10:51:30
○ 2026-03-14 09:15:30
● 2026-03-20 01:43:08
● 2026-03-21 01:31:58
○ 2026-03-22 17:05:52
○ 2026-03-23 18:41:38
● 2026-03-28 02:03:52
○ 2026-04-11 06:39:04
○ 2026-04-16 14:29:56
● 2026-04-19 09:26:12
● 2026-04-20 12:56:36
○ 2026-04-23 00:47:36
○ 2026-05-15 07:16:46
● 2026-06-21 14:51:40
○ 2026-06-26 22:13:24
● 2026-07-04 11:55:22

●A18.160.0.592026-02-28 → 2026-07-04 · 17 obs

●A18.160.0.672026-02-28 → 2026-07-04 · 17 obs

●A18.160.0.952026-02-28 → 2026-07-04 · 17 obs

○A18.239.166.1562026-04-23 → 2026-05-15 · 8 obs

○ 2026-04-20 12:56:36
● 2026-04-23 00:47:36
● 2026-05-05 06:54:10
○ 2026-05-05 10:38:44
● 2026-05-06 04:31:56
● 2026-05-15 07:16:46
○ 2026-06-21 14:51:40
○ 2026-07-04 11:55:22

○A18.239.166.2052026-04-23 → 2026-05-15 · 8 obs

○ 2026-04-20 12:56:36
● 2026-04-23 00:47:36
● 2026-05-05 06:54:10
○ 2026-05-05 10:38:44
● 2026-05-06 04:31:56
● 2026-05-15 07:16:46
○ 2026-06-21 14:51:40
○ 2026-07-04 11:55:22

○A18.239.166.712026-04-23 → 2026-05-15 · 8 obs

○ 2026-04-20 12:56:36
● 2026-04-23 00:47:36
● 2026-05-05 06:54:10
○ 2026-05-05 10:38:44
● 2026-05-06 04:31:56
● 2026-05-15 07:16:46
○ 2026-06-21 14:51:40
○ 2026-07-04 11:55:22

○A18.239.166.732026-04-23 → 2026-05-15 · 8 obs

○ 2026-04-20 12:56:36
● 2026-04-23 00:47:36
● 2026-05-05 06:54:10
○ 2026-05-05 10:38:44
● 2026-05-06 04:31:56
● 2026-05-15 07:16:46
○ 2026-06-21 14:51:40
○ 2026-07-04 11:55:22

○A216.137.34.1202026-06-26 → 2026-06-26 · 3 obs

○ 2026-06-21 14:51:40
● 2026-06-26 22:13:24
○ 2026-07-04 11:55:22

○A216.137.34.1352026-06-26 → 2026-06-26 · 3 obs

○ 2026-06-21 14:51:40
● 2026-06-26 22:13:24
○ 2026-07-04 11:55:22

○A216.137.34.1502026-06-26 → 2026-06-26 · 3 obs

○ 2026-06-21 14:51:40
● 2026-06-26 22:13:24
○ 2026-07-04 11:55:22

○A216.137.34.1732026-06-26 → 2026-06-26 · 3 obs

○ 2026-06-21 14:51:40
● 2026-06-26 22:13:24
○ 2026-07-04 11:55:22

○A3.174.68.1802026-04-11 → 2026-04-16 · 10 obs

○ 2026-03-28 02:03:52
● 2026-04-11 06:39:04
○ 2026-04-11 23:37:14
● 2026-04-12 01:28:22
○ 2026-04-12 03:15:30
○ 2026-04-14 17:47:14
● 2026-04-16 12:41:44
● 2026-04-16 14:29:56
○ 2026-04-19 09:26:12
○ 2026-07-04 11:55:22

○A3.174.68.2072026-04-11 → 2026-04-16 · 10 obs

○A3.174.68.2302026-04-11 → 2026-04-16 · 10 obs

○A3.174.68.392026-04-11 → 2026-04-16 · 10 obs

○A54.230.235.1102026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:05:52
● 2026-03-23 18:41:38
○ 2026-03-28 02:03:52
○ 2026-07-04 11:55:22

○A54.230.235.1402026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:05:52
● 2026-03-23 18:41:38
○ 2026-03-28 02:03:52
○ 2026-07-04 11:55:22

○A54.230.235.1762026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:05:52
● 2026-03-23 18:41:38
○ 2026-03-28 02:03:52
○ 2026-07-04 11:55:22

○A54.230.235.1932026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:05:52
● 2026-03-23 18:41:38
○ 2026-03-28 02:03:52
○ 2026-07-04 11:55:22

○A54.230.244.1132026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-12 10:51:30
● 2026-03-14 09:15:30
○ 2026-03-20 01:43:08
○ 2026-03-21 01:31:58
● 2026-03-22 17:05:52
○ 2026-03-23 18:41:38
○ 2026-07-04 11:55:22

○A54.230.244.282026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-12 10:51:30
● 2026-03-14 09:15:30
○ 2026-03-20 01:43:08
○ 2026-03-21 01:31:58
● 2026-03-22 17:05:52
○ 2026-03-23 18:41:38
○ 2026-07-04 11:55:22

○A54.230.244.742026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-12 10:51:30
● 2026-03-14 09:15:30
○ 2026-03-20 01:43:08
○ 2026-03-21 01:31:58
● 2026-03-22 17:05:52
○ 2026-03-23 18:41:38
○ 2026-07-04 11:55:22

○A54.230.244.942026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-12 10:51:30
● 2026-03-14 09:15:30
○ 2026-03-20 01:43:08
○ 2026-03-21 01:31:58
● 2026-03-22 17:05:52
○ 2026-03-23 18:41:38
○ 2026-07-04 11:55:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
classmethod.jp	ns-576.awsdns-08.net, ns-1421.awsdns-49.org, ns-1722.awsdns-23.co.uk, ns-266.awsdns-33.com	-

✅ Authoritative Response

Server:205.251.194.64

NS records: ns-576.awsdns-08.net, ns-1421.awsdns-49.org, ns-1722.awsdns-23.co.uk, ns-266.awsdns-33.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classmethod.jp (unsigned zone)

⏱️ Timing

Total: 992ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.0.230, 18.160.0.95...`

Analysis

IP Addresses

devio2016.classmethod.jp directs to four IP numbers, which are 18.160.0.59, 18.160.0.67, 18.160.0.95 and 18.160.0.230.

d3uc2f8kgtxp1f.cloudfront.net, d1m65n7jd8cznd.cloudfront.net, dv3ry5txrattz.cloudfront.net and two other host names share IP numbers with devio2016.classmethod.jp.

devio2016.classmethod.jp - robtex.com