studycrumb.com - dns.ninja

`studycrumb.com`

DNSSEC	⚠️ Not signed
A	216.150.1.65^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.129^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p13.nsone.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=bjc_EWJBDKCtkAREhlBlpJpLvNoOs1J6aJBoKvQfQZM`
TXT	`v=spf1 include:_spf.google.com include:spf.selzy.com ~all`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1657745896

`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=1785707087

rank #126092 globally
rank #54059 in the tld
📈 Tranco rank: #455,421

Subdomains

www.studycrumb.com

Same first word

studycrumb.com

DNS History

15 records (9 active, 6 former)

●NSns1.vercel-dns.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

●NSns2.vercel-dns.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

●MXalt3.aspmx.l.google.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

●MXalt4.aspmx.l.google.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

●MXaspmx.l.google.com2026-02-15 → 2026-08-02 · 2 obs

● 2026-02-15 19:37:48
● 2026-08-02 22:04:40

○A216.150.1.12026-02-17 → 2026-07-27 · 21 obs

○ 2026-02-17 03:53:12
● 2026-02-17 08:31:58
○ 2026-02-17 10:41:20
○ 2026-02-18 17:49:52
● 2026-02-18 23:19:52
● 2026-02-20 01:04:30
○ 2026-02-22 09:59:36
○ 2026-03-26 00:10:36
● 2026-03-26 03:59:00
○ 2026-03-26 12:54:58
○ 2026-04-06 13:26:56
● 2026-04-06 22:47:38
○ 2026-05-09 15:35:38
○ 2026-05-10 04:27:30
● 2026-05-29 14:32:54
○ 2026-06-09 12:43:00
○ 2026-06-09 13:47:12
● 2026-06-10 02:12:20
○ 2026-06-21 10:24:00
● 2026-07-27 19:26:32
○ 2026-08-02 22:04:40

○A216.150.1.1292026-02-15 → 2026-05-10 · 18 obs

● 2026-02-15 19:37:48
● 2026-02-17 03:53:12
○ 2026-02-17 08:31:58
○ 2026-02-20 01:04:30
● 2026-02-22 09:59:36
● 2026-02-23 04:50:52
○ 2026-02-23 15:50:56
○ 2026-02-24 18:46:56
● 2026-02-25 05:15:42
○ 2026-03-26 00:10:36
○ 2026-03-26 12:54:58
● 2026-04-06 13:26:56
○ 2026-04-06 22:47:38
● 2026-05-09 15:35:38
○ 2026-05-10 00:27:54
● 2026-05-10 04:27:30
○ 2026-05-29 14:32:54
○ 2026-08-02 22:04:40

○A216.150.1.1932026-02-17 → 2026-06-21 · 17 obs

○ 2026-02-17 10:41:20
● 2026-02-17 13:45:08
○ 2026-02-17 23:15:32
○ 2026-02-18 23:19:52
● 2026-02-19 01:01:12
○ 2026-02-20 01:04:30
○ 2026-02-23 04:50:52
● 2026-02-23 15:50:56
● 2026-02-23 18:25:08
○ 2026-02-24 17:43:40
○ 2026-05-09 15:35:38
● 2026-05-10 00:27:54
● 2026-06-09 12:43:00
○ 2026-06-09 13:47:12
● 2026-06-21 10:24:00
○ 2026-07-27 19:26:32
○ 2026-08-02 22:04:40

●A216.150.1.652026-02-17 → 2026-08-02 · 21 obs

○ 2026-02-15 19:37:48
● 2026-02-17 03:53:12
● 2026-02-17 08:31:58
○ 2026-02-17 10:41:20
○ 2026-02-17 23:15:32
● 2026-02-18 17:49:52
○ 2026-02-18 23:19:52
○ 2026-02-23 15:50:56
● 2026-02-23 18:25:08
● 2026-02-24 18:46:56
○ 2026-02-25 05:15:42
○ 2026-03-26 12:54:58
● 2026-04-06 13:26:56
○ 2026-04-06 22:47:38
● 2026-05-09 15:35:38
● 2026-05-10 00:27:54
○ 2026-05-10 04:27:30
○ 2026-06-09 12:43:00
● 2026-06-09 13:47:12
○ 2026-06-10 02:12:20
● 2026-08-02 22:04:40

○A216.150.16.12026-02-17 → 2026-07-27 · 19 obs

○ 2026-02-15 19:37:48
○ 2026-02-17 08:31:58
● 2026-02-17 10:41:20
● 2026-02-17 23:15:32
○ 2026-02-18 17:49:52
○ 2026-02-19 01:01:12
● 2026-02-20 01:04:30
○ 2026-02-22 09:59:36
○ 2026-02-24 17:43:40
● 2026-02-24 18:46:56
● 2026-02-25 05:15:42
○ 2026-03-26 00:10:36
○ 2026-03-26 03:59:00
● 2026-03-26 12:54:58
○ 2026-04-06 13:26:56
● 2026-04-06 22:47:38
○ 2026-05-09 15:35:38
● 2026-07-27 19:26:32
○ 2026-08-02 22:04:40

●A216.150.16.1292026-02-18 → 2026-08-02 · 18 obs

○ 2026-02-15 19:37:48
○ 2026-02-18 17:49:52
● 2026-02-18 23:19:52
○ 2026-02-19 01:01:12
○ 2026-02-22 09:59:36
● 2026-02-23 04:50:52
● 2026-02-23 15:50:56
○ 2026-02-23 18:25:08
● 2026-02-24 17:43:40
○ 2026-02-24 18:46:56
○ 2026-02-25 05:15:42
● 2026-03-26 00:10:36
● 2026-03-26 03:59:00
○ 2026-03-26 12:54:58
○ 2026-05-29 14:32:54
● 2026-06-09 12:43:00
○ 2026-06-09 13:47:12
● 2026-08-02 22:04:40

○A216.150.16.1932026-02-15 → 2026-06-21 · 21 obs

● 2026-02-15 19:37:48
○ 2026-02-17 03:53:12
○ 2026-02-17 08:31:58
● 2026-02-17 10:41:20
○ 2026-02-17 13:45:08
● 2026-02-17 23:15:32
● 2026-02-18 17:49:52
○ 2026-02-18 23:19:52
○ 2026-02-20 01:04:30
● 2026-02-22 09:59:36
○ 2026-02-23 04:50:52
○ 2026-02-25 05:15:42
● 2026-03-26 00:10:36
○ 2026-03-26 03:59:00
○ 2026-06-09 12:43:00
● 2026-06-09 13:47:12
● 2026-06-10 02:12:20
○ 2026-06-19 20:55:26
● 2026-06-21 10:24:00
○ 2026-07-27 19:26:32
○ 2026-08-02 22:04:40

○A216.150.16.652026-03-26 → 2026-06-19 · 7 obs

○ 2026-03-26 03:59:00
● 2026-03-26 12:54:58
○ 2026-04-06 13:26:56
○ 2026-06-10 02:12:20
● 2026-06-19 20:55:26
○ 2026-06-21 10:24:00
○ 2026-08-02 22:04:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
studycrumb.com	ns1.vercel-dns.com, ns2.vercel-dns.com	4 records

✅ Authoritative Response

Server:198.51.45.13

NS records: ns1.vercel-dns.com, ns2.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycrumb.com (unsigned zone)

⏱️ Timing

Total: 1186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.1.1, 216.150.16.1`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=bjc_EWJBDKCtkAR, v=spf1 include:_spf.google.com include:s`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.vercel-dns.com, ns1.vercel-dns.com, ns2.vercel-dns.com...)

Analysis

Hierarchy

studycrumb.com is a parent domain of www.studycrumb.com.

IP Addresses

studycrumb.com directs to two IP numbers, 216.150.1.65 and 216.150.16.129

duiken-technisch.pagina.nl, xn--rechnungslsungen-vwb.ch, spire.blog and two other host names share IP numbers with studycrumb.com.

Name Servers

Two name servers handle the delegation for studycrumb.com: ns1.vercel-dns.com and ns2.vercel-dns.com.

studycrumb.com uses the same name servers as several other domains — among them ethdash.xyz, valentinruiz.com, rijschoolrij-xpert.nl and two more.

studycrumb.com shares at least some of its name servers with other domains, such as tireswcorp.com and httpete.com.

ns1.vercel-dns.com and ns2.vercel-dns.com both carry two IP addresses. The A records for ns1.vercel-dns.com are 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1; the A records for ns2.vercel-dns.com are 198.51.45.13 and 2a00:edc0:6259:7:13::2.

Mail Servers

Mail for studycrumb.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

studycrumb.com has at least partial mail server overlap with other domains such as floorcofloor.com, ns500768.ns500758.ns500698.ns500758.ns500735.ns500736.ns500698.ns500698.ns500698.ns500735.ns500619.ns500576.ns500576.trackreceptor.com, ns500731.ns500754.ns500671.ns500731.ns500688.ns500705.ns500704.ns500704.ns500704.ns500688.ns500704.ns500671.ns500688.ns500291.ns500671.ns500666.ns500153.tenderladiesbz.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 192.178.155.26 and 2607:f8b0:4004:c1d::1a.

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

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.