`johndalyopticians.com`

DNSSEC	⚠️ Not signed
A	138.68.138.87^{🇬🇧 DIGITALOCEAN138.68.128.0/20 DigitalOcean}
		PTR	`813639.cloudwaysapps.com`
NS	`ns3.hostireland.com` ⭐
		A	91.216.241.2^{🇮🇪 HOST-IRELAND-AS91.216.241.0/24}
			PTR	`cpanel8.webworld.ie`
NS	`ns4.hostireland.com`
		A	217.115.115.174^{🇮🇪 WEBWORLD-AS217.115.112.0/20 Web World Ireland}
MX	`johndalyopticians-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:77.73.168.0/23 ?all`
TXT	`MS=ms67745238`
TXT	`v=DMARC1; p=none; sp=none; aspf=s; adkim=s;`
SOA	`ns3.hostireland.com`logs@webworld.email 2026-03-24 #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=1776183622

Previously NS for

johndalyopticians.com

Subdomains

www.johndalyopticians.com

Same first word

johndalyopticians.com

DNS History

13 records (4 active, 9 former)

○NSjohndalyopticians.com2015-07-23 → 2016-06-21 · 4 obs

● 2015-07-23 10:30:14
● 2016-06-21 01:47:06
○ 2020-02-05 15:04:34
○ 2026-04-14 16:33:28

○NSns1.hostireland.com2015-07-23 → 2016-06-21 · 4 obs

● 2015-07-23 10:30:14
● 2016-06-21 01:47:06
○ 2020-02-05 15:04:34
○ 2026-04-14 16:33:28

○NSns1.webworld.org2020-02-05 → 2020-02-05 · 4 obs

○ 2016-06-21 01:47:06
● 2020-02-05 15:04:34
○ 2026-02-17 03:41:02
○ 2026-04-14 16:33:28

○NSns2.hostireland.com2015-07-23 → 2016-06-21 · 4 obs

● 2015-07-23 10:30:14
● 2016-06-21 01:47:06
○ 2020-02-05 15:04:34
○ 2026-04-14 16:33:28

○NSns2.webworld.org2020-02-05 → 2020-02-05 · 4 obs

○ 2016-06-21 01:47:06
● 2020-02-05 15:04:34
○ 2026-02-17 03:41:02
○ 2026-04-14 16:33:28

●NSns3.hostireland.com2026-02-17 → 2026-04-14 · 3 obs

○ 2020-02-05 15:04:34
● 2026-02-17 03:41:02
● 2026-04-14 16:33:28

○NSns3.webworld.org2020-02-05 → 2020-02-05 · 4 obs

○ 2016-06-21 01:47:06
● 2020-02-05 15:04:34
○ 2026-02-17 03:41:02
○ 2026-04-14 16:33:28

●NSns4.hostireland.com2026-02-17 → 2026-04-14 · 3 obs

○ 2020-02-05 15:04:34
● 2026-02-17 03:41:02
● 2026-04-14 16:33:28

●MXjohndalyopticians-com.mail.protection.outlook.com2026-02-17 → 2026-04-14 · 3 obs

○ 2020-02-05 15:04:34
● 2026-02-17 03:41:02
● 2026-04-14 16:33:28

○MXmail.johndalyopticians.com2015-07-23 → 2020-02-05 · 4 obs

● 2015-07-23 10:30:14
● 2020-02-05 15:04:34
○ 2026-02-17 03:41:02
○ 2026-04-14 16:33:28

●A138.68.138.872026-02-17 → 2026-04-14 · 3 obs

○ 2020-02-05 15:04:34
● 2026-02-17 03:41:02
● 2026-04-14 16:33:28

○A81.17.255.2482020-02-05 → 2020-02-05 · 4 obs

○ 2016-06-21 01:47:06
● 2020-02-05 15:04:34
○ 2026-02-17 03:41:02
○ 2026-04-14 16:33:28

○A91.216.241.682015-07-23 → 2016-06-21 · 4 obs

● 2015-07-23 10:30:14
● 2016-06-21 01:47:06
○ 2020-02-05 15:04:34
○ 2026-04-14 16:33:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
johndalyopticians.com	ns3.hostireland.com, ns4.hostireland.com	2 records

✅ Authoritative Response

Server:91.216.241.2

NS records: ns3.hostireland.com, ns4.hostireland.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for johndalyopticians.com (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.68.138.87`
NS	2	`ns4.hostireland.com, ns3.hostireland.com`
MX	1	`johndalyopticians-com.mail.protection.ou`
TXT	3	`v=DMARC1; p=none; sp=none; aspf=s; adkim, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns3.hostireland.com logs.webworld.email`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.hostireland.com, ns4.hostireland.com)

Analysis

Hierarchy

johndalyopticians.com is the parent of www.johndalyopticians.com.

IP Addresses

johndalyopticians.com points to a single IP number: 138.68.138.87.

other host names for instance ballybrado.ie, www.almedia.ie, indiependencefestival.com, almedia.ie and www.indiependencefestival.com share IP numbers with johndalyopticians.com.

Name Servers

johndalyopticians.com is delegated to two name servers: ns3.hostireland.com and ns4.hostireland.com.

johndalyopticians.com shares the same name server setup as other domains, for example fastnetshipping.ie, a-t-sltd.com, roofbox.ie, centralmotor.ie and tektron.ie.

johndalyopticians.com at least partially shares name servers with other domains, for instance sternwind.co.uk, euromech.ie, woodwards.ie, henley.ie and jwcs.ie.

Host names with one IP number:

The host ns3.hostireland.com points to 91.216.241.2 and the host ns4.hostireland.com points to 217.115.115.174.

Mail Servers

johndalyopticians.com is handled by a single mail server, johndalyopticians-com.mail.protection.outlook.com.

Host name johndalyopticians-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::8, 52.101.68.10, 52.101.68.12, 52.101.68.36 and 52.101.73.12.

johndalyopticians.com - robtex.com