`mchenrylibrary.org`

DNSSEC	⚠️ Not signed
A	12.189.64.71^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
NS	`dns41.cloudns.net` ⭐
		A	2a06:fb00:1::1:200^{🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS}
			PTR	`dns41.cloudns.net`
		A	185.136.96.200^{🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd}
			PTR	`dns41.cloudns.net`
NS	`dns42.cloudns.net`
		A	2a06:fb00:1::2:200^{🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS}
			PTR	`dns42.cloudns.net`
		A	185.136.97.200^{CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd}
			PTR	`dns42.cloudns.net`
NS	`dns43.cloudns.net`
		A	2a06:fb00:1::3:200^{🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS}
			PTR	`dns43.cloudns.net`
		A	185.136.98.200^{🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd}
			PTR	`dns43.cloudns.net`
NS	`dns44.cloudns.net`
		A	2a06:fb00:1::4:200^{🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS}
			PTR	`dns44.cloudns.net`
		A	185.136.99.200^{CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd}
			PTR	`dns44.cloudns.net`
NS	`ns.alibrary.com` ⚠️ Not in parent delegation
		A	12.189.66.10^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-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`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.google.com`⁽³⁰⁾
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		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	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 include:smtp.iii.com include:_spf.google.com -all`
TXT	`MS=8097D1FB808362D4AE70AEBD8A5C78B490A98610`
SOA	`dns41.cloudns.net`dnsadmin@cview.net 2026-05-21 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786191731

Subdomains

exchange.mchenrylibrary.org

Same first word

mchenrylibrary.org

DNS History

15 records (13 active, 2 former)

●NSdns41.cloudns.net2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 00:21:18
● 2026-02-22 10:56:16
● 2026-08-08 12:57:30

●NSdns42.cloudns.net2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 00:21:18
● 2026-02-22 10:56:16
● 2026-08-08 12:57:30

●NSdns43.cloudns.net2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 00:21:18
● 2026-02-22 10:56:16
● 2026-08-08 12:57:30

●NSdns44.cloudns.net2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 00:21:18
● 2026-02-22 10:56:16
● 2026-08-08 12:57:30

●NSns.alibrary.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

○NSns2.alibrary.com2015-08-06 → 2017-07-08 · 4 obs

● 2015-08-06 15:48:22
● 2017-07-08 00:21:18
○ 2026-02-22 10:56:16
○ 2026-08-08 12:57:30

●MXalt1.aspmx.l.google.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

●MXalt2.aspmx.l.google.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

●MXaspmx.l.google.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

●MXaspmx2.google.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

●MXaspmx3.googlemail.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

●MXaspmx4.googlemail.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

●MXaspmx5.googlemail.com2015-08-06 → 2026-08-08 · 2 obs

● 2015-08-06 15:48:22
● 2026-08-08 12:57:30

○A12.189.64.1052015-08-06 → 2017-07-08 · 4 obs

● 2015-08-06 15:48:22
● 2017-07-08 00:21:18
○ 2026-02-22 10:56:16
○ 2026-08-08 12:57:30

●A12.189.64.712026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 00:21:18
● 2026-02-22 10:56:16
● 2026-08-08 12:57:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
mchenrylibrary.org	dns43.cloudns.net, dns44.cloudns.net, dns41.cloudns.net, dns42.cloudns.net	-

✅ Authoritative Response

Server:185.136.97.200

NS records: dns43.cloudns.net, dns44.cloudns.net, dns41.cloudns.net, dns42.cloudns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mchenrylibrary.org (unsigned zone)

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`12.189.64.71`
NS	5	`dns42.cloudns.net, dns41.cloudns.net...`
MX	7	`aspmx2.google.com (pri: 30), aspmx.l.google.com (pri: 10)...`
TXT	2	`MS=8097D1FB808362D4AE70AEBD8A5C78B490A98, v=spf1 include:smtp.iii.com include:_spf`
SOA	1	`dns41.cloudns.net dnsadmin.cview.net`

Analysis

Hierarchy

mchenrylibrary.org is a parent domain of exchange.mchenrylibrary.org.

IP Addresses

mchenrylibrary.org has exactly one IP address — 12.189.64.71.

Name Servers

Five name servers handle delegation for mchenrylibrary.org: ns.alibrary.com, dns41.cloudns.net, dns42.cloudns.net and two others.

mchenrylibrary.org shares at least some of its name servers with other domains, including smclease.com, magnetico.gr, im360aafes.net and two others.

These name servers are frequently paired with the name servers dns43.cloudns.net and dns44.cloudns.net.

Host names pointing to two IP addresses:

The A records for dns41.cloudns.net return 185.136.96.200 and 2a06:fb00:1::1:200.

The A records for dns42.cloudns.net return 185.136.97.200 and 2a06:fb00:1::2:200.

The A records for dns43.cloudns.net return 185.136.98.200 and 2a06:fb00:1::3:200.

The A records for dns44.cloudns.net return 185.136.99.200 and 2a06:fb00:1::4:200.

Host names resolving to a single IP address:

ns.alibrary.com resolves to the IP address 12.189.66.10.

Mail Servers

mchenrylibrary.org is handled by 7 mail servers: aspmx2.google.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

At least some of the mail servers used by mchenrylibrary.org are shared with other domains: lihcs.com, bfoafrica.org, boulderrealtyllc.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx.l.google.com and 7 other mail servers.

Host names pointing to two IP addresses:

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for aspmx4.googlemail.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for aspmx5.googlemail.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.

The A records for aspmx.l.google.com return 192.178.155.26 and 2607:f8b0:4004:c0b::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1a IP addresses.