`cellul19.com`

DNSSEC	⚠️ Not signed
A	2403:3a00:201:1e:49:212:207:13^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`www3003.sakura.ne.jp`
A	49.212.207.13^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 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}
			PTR	`ns2.dns.ne.jp`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com`⁽²⁰⁾
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`v=spf1 a:cellul19.com ip4:49.212.207.13 include:icloud.com mx ~all`
TXT	`apple-domain=qTyHZJ7QyuRxtRSB`
TXT	`google-site-verification=nTPphJgyLRQU-KF110dvdMgNR-bevfE3jGj2rIi3eug`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-11-18 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778599681

🔒 HSTS Preload (+subdomains)

Same first word

cellul19.com

DNS History

12 records (7 active, 5 former)

●NSmaster.dns.ne.jp2026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

●NSns1.dns.ne.jp2026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

●NSns2.dns.ne.jp2026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

○NSuns01.lolipop.jp2017-01-04 → 2019-01-15 · 4 obs

● 2017-01-04 19:48:26
● 2019-01-15 23:57:38
○ 2026-02-23 11:53:06
○ 2026-05-12 15:49:50

○NSuns02.lolipop.jp2017-01-04 → 2019-01-15 · 4 obs

● 2017-01-04 19:48:26
● 2019-01-15 23:57:38
○ 2026-02-23 11:53:06
○ 2026-05-12 15:49:50

○MXmx01.lolipop.jp2017-01-04 → 2019-01-15 · 4 obs

● 2017-01-04 19:48:26
● 2019-01-15 23:57:38
○ 2026-02-23 11:53:06
○ 2026-05-12 15:49:50

●MXmx01.mail.icloud.com2026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

●MXmx02.mail.icloud.com2026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

○A157.7.107.1862019-01-15 → 2019-01-15 · 4 obs

○ 2017-01-04 19:48:26
● 2019-01-15 23:57:38
○ 2026-02-23 11:53:06
○ 2026-05-12 15:49:50

○A157.7.107.402017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 19:48:26
○ 2019-01-15 23:57:38
○ 2026-05-12 15:49:50

●A2403:3a00:201:1e:49:212:207:132026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

●A49.212.207.132026-02-23 → 2026-05-12 · 3 obs

○ 2019-01-15 23:57:38
● 2026-02-23 11:53:06
● 2026-05-12 15:49:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
cellul19.com	ns1.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 cellul19.com (unsigned zone)

⏱️ Timing

Total: 1506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.207.13`
AAAA	1	`2403:3a00:201:1e:49:212:207:13`
NS	2	`ns2.dns.ne.jp, ns1.dns.ne.jp`
MX	2	`mx02.mail.icloud.com (pri: 20), mx01.mail.icloud.com (pri: 10)`
TXT	3	`v=spf1 a:cellul19.com ip4:49.212.207.13 , apple-domain=qTyHZJ7QyuRxtRSB...`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

IP Addresses

cellul19.com points to two IP numbers: 2403:3a00:201:1e:49:212:207:13 and 49.212.207.13.

Other host names, for instance lfield-office.com, e1-project.com, edu-studio.rash.jp, www3003.sakura.ne.jp and nodaten.com share IP numbers with cellul19.com.

Name Servers

cellul19.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

cellul19.com at least partially shares its name servers with other domains, for instance g-angle.jp, desafio.sakura.ne.jp, com-s.com, hi-tec.org and mscjapan.jp.

Host names with one IP number:

master.dns.ne.jp points to: 210.224.172.18.

ns1.dns.ne.jp points to: 61.211.236.1.

ns2.dns.ne.jp points to: 133.167.21.1.

Mail Servers

Two mail servers mx01.mail.icloud.com and mx02.mail.icloud.com handle cellul19.com.

cellul19.com uses the same mail server setup as other domains such as gkf.org, pamc.com.au, heshamsaad.com, daxi.me and stip.co.za.

cellul19.com shares mail servers with other domains at least in part, for instance pelecky.com, metorrasystems.com and mahefa.me.

Host names with six IP numbers:

Host name mx01.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

Host name mx02.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

Host names pointing to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.

cellul19.com - robtex.com

cellul19.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`cellul19.com`

`com`