isrn.com - dns.ninja

`isrn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4df5^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d554^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.245^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.84^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elle.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elle.ns.cloudflare.com`
		A	108.162.192.110^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	172.64.32.110^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	173.245.58.110^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
NS	`salvador.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c364^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`salvador.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2364^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`salvador.ns.cloudflare.com`
		A	108.162.195.100^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
		A	162.159.44.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
		A	172.64.35.100^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
MX	`custmx.cscdns.net` ⭐
		A	198.58.121.58^{🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies}
			PTR	`198-58-121-58.ip.linodeusercontent.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.245, 172.67.213.84
		IPv6 hints	2606:4700:3030::6815:4df5, 2606:4700:3033::ac43:d554
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=72, name=cloudflare-ech.com
SOA	`elle.ns.cloudflare.com`dns@cloudflare.com serial=2407374220

`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=1784550957

WOT: SAFE (60/100)

Subdomains

journals.isrn.com

null.isrn.com

www.isrn.com

Same first word

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DNS History

33 records (7 active, 26 former)

●NSelle.ns.cloudflare.com2026-02-15 → 2026-07-20 · 3 obs

○ 2017-07-29 19:30:56
● 2026-02-15 06:24:46
● 2026-07-20 12:45:56

○NSns-1446.awsdns-52.org2015-07-25 → 2017-07-29 · 4 obs

● 2015-07-25 15:00:36
● 2017-07-29 19:30:56
○ 2026-02-15 06:24:46
○ 2026-07-20 12:45:56

○NSns-1772.awsdns-29.co.uk2015-07-25 → 2017-07-29 · 4 obs

● 2015-07-25 15:00:36
● 2017-07-29 19:30:56
○ 2026-02-15 06:24:46
○ 2026-07-20 12:45:56

○NSns-325.awsdns-40.com2015-07-25 → 2017-07-29 · 4 obs

● 2015-07-25 15:00:36
● 2017-07-29 19:30:56
○ 2026-02-15 06:24:46
○ 2026-07-20 12:45:56

○NSns-557.awsdns-05.net2015-07-25 → 2017-07-29 · 4 obs

● 2015-07-25 15:00:36
● 2017-07-29 19:30:56
○ 2026-02-15 06:24:46
○ 2026-07-20 12:45:56

●NSsalvador.ns.cloudflare.com2026-02-15 → 2026-07-20 · 3 obs

○ 2017-07-29 19:30:56
● 2026-02-15 06:24:46
● 2026-07-20 12:45:56

●MXcustmx.cscdns.net2026-02-15 → 2026-07-20 · 2 obs

● 2026-02-15 06:24:46
● 2026-07-20 12:45:56

●A104.21.77.2452026-02-15 → 2026-07-20 · 3 obs

○ 2017-07-29 19:30:56
● 2026-02-15 06:24:46
● 2026-07-20 12:45:56

●A172.67.213.842026-02-15 → 2026-07-20 · 3 obs

○ 2017-07-29 19:30:56
● 2026-02-15 06:24:46
● 2026-07-20 12:45:56

●A2606:4700:3030::6815:4df52026-06-19 → 2026-07-20 · 3 obs

○ 2026-06-17 18:51:08
● 2026-06-19 01:58:26
● 2026-07-20 12:45:56

○A2606:4700:3033::6815:4df52026-02-15 → 2026-06-17 · 5 obs

○ 2017-07-29 19:30:56
● 2026-02-15 06:24:46
● 2026-06-17 18:51:08
○ 2026-06-19 01:58:26
○ 2026-07-20 12:45:56

●A2606:4700:3033::ac43:d5542026-02-15 → 2026-07-20 · 3 obs

○ 2017-07-29 19:30:56
● 2026-02-15 06:24:46
● 2026-07-20 12:45:56

○A52.2.33.2052015-12-26 → 2016-03-23 · 5 obs

○ 2015-12-11 06:43:10
● 2015-12-26 03:32:42
● 2016-03-23 21:21:52
○ 2016-06-04 03:20:16
○ 2026-07-20 12:45:56

○A52.20.176.832015-11-29 → 2015-12-11 · 5 obs

○ 2015-11-26 19:42:50
● 2015-11-29 22:10:30
● 2015-12-11 06:43:10
○ 2015-12-26 03:32:42
○ 2026-07-20 12:45:56

○A52.22.128.1742017-07-29 → 2017-07-29 · 4 obs

○ 2016-12-04 20:56:40
● 2017-07-29 19:30:56
○ 2026-02-15 06:24:46
○ 2026-07-20 12:45:56

○A52.3.47.1642016-07-22 → 2016-12-04 · 5 obs

○ 2016-06-04 03:20:16
● 2016-07-22 06:52:34
● 2016-12-04 20:56:40
○ 2017-07-29 19:30:56
○ 2026-07-20 12:45:56

○A52.5.12.862015-10-04 → 2015-10-04 · 4 obs

○ 2015-09-25 13:46:56
● 2015-10-04 10:52:32
○ 2015-11-08 03:40:52
○ 2026-07-20 12:45:56

○A52.87.50.1172016-07-22 → 2016-12-04 · 5 obs

○ 2016-06-04 03:20:16
● 2016-07-22 06:52:34
● 2016-12-04 20:56:40
○ 2017-07-29 19:30:56
○ 2026-07-20 12:45:56

○A54.164.98.1892015-11-24 → 2015-11-26 · 5 obs

○ 2015-11-22 14:27:14
● 2015-11-24 22:06:34
● 2015-11-26 19:42:50
○ 2015-11-29 22:10:30
○ 2026-07-20 12:45:56

○A54.165.167.2412015-10-04 → 2015-10-04 · 4 obs

○ 2015-09-25 13:46:56
● 2015-10-04 10:52:32
○ 2015-11-08 03:40:52
○ 2026-07-20 12:45:56

○A54.172.242.612016-06-04 → 2016-06-04 · 4 obs

○ 2016-03-23 21:21:52
● 2016-06-04 03:20:16
○ 2016-07-22 06:52:34
○ 2026-07-20 12:45:56

○A54.172.33.962016-03-11 → 2016-03-23 · 5 obs

○ 2016-02-09 08:42:38
● 2016-03-11 11:07:54
● 2016-03-23 21:21:52
○ 2016-06-04 03:20:16
○ 2026-07-20 12:45:56

○A54.173.239.1102015-09-25 → 2015-09-25 · 4 obs

○ 2015-07-25 15:00:36
● 2015-09-25 13:46:56
○ 2015-10-04 10:52:32
○ 2026-07-20 12:45:56

○A54.173.240.162015-11-08 → 2015-11-22 · 5 obs

○ 2015-10-04 10:52:32
● 2015-11-08 03:40:52
● 2015-11-22 14:27:14
○ 2015-11-24 22:06:34
○ 2026-07-20 12:45:56

○A54.175.98.1042015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 15:00:36
○ 2015-09-25 13:46:56
○ 2026-07-20 12:45:56

○A54.209.23.1712016-06-04 → 2016-06-04 · 4 obs

○ 2016-03-23 21:21:52
● 2016-06-04 03:20:16
○ 2016-07-22 06:52:34
○ 2026-07-20 12:45:56

○A54.209.232.2452017-07-29 → 2017-07-29 · 4 obs

○ 2016-12-04 20:56:40
● 2017-07-29 19:30:56
○ 2026-02-15 06:24:46
○ 2026-07-20 12:45:56

○A54.210.229.872015-11-24 → 2015-11-26 · 5 obs

○ 2015-11-22 14:27:14
● 2015-11-24 22:06:34
● 2015-11-26 19:42:50
○ 2015-11-29 22:10:30
○ 2026-07-20 12:45:56

○A54.236.112.1752015-11-08 → 2015-11-22 · 5 obs

○ 2015-10-04 10:52:32
● 2015-11-08 03:40:52
● 2015-11-22 14:27:14
○ 2015-11-24 22:06:34
○ 2026-07-20 12:45:56

○A54.85.147.1212015-12-26 → 2016-02-09 · 5 obs

○ 2015-12-11 06:43:10
● 2015-12-26 03:32:42
● 2016-02-09 08:42:38
○ 2016-03-11 11:07:54
○ 2026-07-20 12:45:56

○A54.85.184.342015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 15:00:36
○ 2015-09-25 13:46:56
○ 2026-07-20 12:45:56

○A54.86.4.1832015-11-29 → 2015-12-11 · 5 obs

○ 2015-11-26 19:42:50
● 2015-11-29 22:10:30
● 2015-12-11 06:43:10
○ 2015-12-26 03:32:42
○ 2026-07-20 12:45:56

○A54.88.183.992015-09-25 → 2015-09-25 · 4 obs

○ 2015-07-25 15:00:36
● 2015-09-25 13:46:56
○ 2015-10-04 10:52:32
○ 2026-07-20 12:45:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
isrn.com	elle.ns.cloudflare.com, salvador.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.100

NS records: elle.ns.cloudflare.com, salvador.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isrn.com (unsigned zone)

⏱️ Timing

Total: 268ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.213.84, 104.21.77.245`
AAAA	2	`2606:4700:3030::6815:4df5, 2606:4700:3033::ac43:d554`
NS	2	`elle.ns.cloudflare.com, salvador.ns.cloudflare.com`
MX	1	`custmx.cscdns.net (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elle.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (elle.ns.cloudflare.com, elle.ns.cloudflare.com, elle.ns.cloudflare.com...)

Analysis

Hierarchy

isrn.com is a parent domain, with journals.isrn.com, null.isrn.com and www.isrn.com beneath it.

IP Addresses

isrn.com resolves to four IP addresses: 104.21.77.245, 172.67.213.84, 2606:4700:3030::6815:4df5 and 2606:4700:3033::ac43:d554.

moshaf.net, keralink.com, www.victoriaarduino.com and two other host names share IP numbers with isrn.com.

Name Servers

isrn.com has two authoritative name servers — elle.ns.cloudflare.com and salvador.ns.cloudflare.com.

isrn.com uses the same name servers as several other domains — among them econtentcentral.com, scholarlyresearchexchange.com, ambitious.ly and two more.

isrn.com has at least partial name server overlap with other domains, such as sanjiawang.com, iloequickpayae.com, stijnbiemans.nl and two others.

It is common to see these name servers used together with name servers clyde.ns.cloudflare.com and kallie.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elle.ns.cloudflare.com points to 108.162.192.110, 172.64.32.110, 173.245.58.110 and 3 other IP addresses.

salvador.ns.cloudflare.com points to 108.162.195.100, 162.159.44.100, 172.64.35.100 and 3 other IP addresses.

Mail Servers

Mail for isrn.com is handled by a single mail server, custmx.cscdns.net.

isrn.com uses an identical mail server configuration to several other domains — among them registeredagentcoachtestforkb.com, kpmworldwide.com, rolexyou.com and two more.

custmx.cscdns.net points to one IP number — 198.58.121.58.