`trefethenadvisors.com`

DNSSEC	⚠️ Not signed
A	75.2.70.75^{🇺🇸 Amazon75.2.64.0/20}
		PTR	`aacb0a264e514dd48.awsglobalaccelerator.com`
A	99.83.190.102^{🇺🇸 Amazon99.83.176.0/20}
NS	`ns91.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns92.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`trefethenadvisors-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	40.93.192.1^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm5pr02cu00201.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`proxy-ssl.webflow.com`
TXT	`MS=ms31793370`
TXT	`google-site-verification=KgBjCn0JWn6hm5NiDpDvSITP1HYMgrrB7vqXD6jRAms`
SOA	`NS91.WORLDNIC.com`namehost@WORLDNIC.com serial=122101818

`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=1778555591

Same first word

trefethenadvisors.com

DNS History

13 records (5 active, 8 former)

●NSns91.worldnic.com2015-06-24 → 2026-05-12 · 2 obs

● 2015-06-24 21:48:46
● 2026-05-12 03:28:52

●NSns92.worldnic.com2015-06-24 → 2026-05-12 · 2 obs

● 2015-06-24 21:48:46
● 2026-05-12 03:28:52

○MXasp.reflexion.net2016-11-19 → 2017-08-20 · 5 obs

○ 2016-04-09 22:17:16
● 2016-11-19 12:32:24
● 2017-08-20 22:20:16
○ 2026-02-16 20:53:34
○ 2026-05-12 03:28:52

○MXmx-100.reflexion.net2016-11-19 → 2017-08-20 · 5 obs

○ 2016-04-09 22:17:16
● 2016-11-19 12:32:24
● 2017-08-20 22:20:16
○ 2026-02-16 20:53:34
○ 2026-05-12 03:28:52

○MXmx-110.reflexion.net2016-11-19 → 2017-08-20 · 5 obs

○ 2016-04-09 22:17:16
● 2016-11-19 12:32:24
● 2017-08-20 22:20:16
○ 2026-02-16 20:53:34
○ 2026-05-12 03:28:52

●MXtrefethenadvisors-com.mail.protection.outlook.com2026-02-16 → 2026-05-12 · 3 obs

○ 2017-08-20 22:20:16
● 2026-02-16 20:53:34
● 2026-05-12 03:28:52

○MXtrefethenadvisors.com.inbound10.mxlogic.net2015-06-24 → 2016-04-09 · 4 obs

● 2015-06-24 21:48:46
● 2016-04-09 22:17:16
○ 2016-11-19 12:32:24
○ 2026-05-12 03:28:52

○MXtrefethenadvisors.com.inbound10.mxlogicmx.net2015-06-24 → 2016-04-09 · 4 obs

● 2015-06-24 21:48:46
● 2016-04-09 22:17:16
○ 2016-11-19 12:32:24
○ 2026-05-12 03:28:52

○A192.185.30.2152015-06-24 → 2015-06-24 · 3 obs

● 2015-06-24 21:48:46
○ 2015-11-02 08:43:26
○ 2026-05-12 03:28:52

○A52.24.186.1202015-11-02 → 2016-04-09 · 5 obs

○ 2015-06-24 21:48:46
● 2015-11-02 08:43:26
● 2016-04-09 22:17:16
○ 2016-11-19 12:32:24
○ 2026-05-12 03:28:52

○A52.34.152.1472016-11-19 → 2017-08-20 · 5 obs

○ 2016-04-09 22:17:16
● 2016-11-19 12:32:24
● 2017-08-20 22:20:16
○ 2026-02-16 20:53:34
○ 2026-05-12 03:28:52

●A75.2.70.752026-02-16 → 2026-05-12 · 3 obs

○ 2017-08-20 22:20:16
● 2026-02-16 20:53:34
● 2026-05-12 03:28:52

●A99.83.190.1022026-02-16 → 2026-05-12 · 3 obs

○ 2017-08-20 22:20:16
● 2026-02-16 20:53:34
● 2026-05-12 03:28:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
trefethenadvisors.com	ns91.worldnic.com, ns92.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.155

NS records: ns91.worldnic.com, ns92.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for trefethenadvisors.com (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`75.2.70.75, 99.83.190.102`
NS	2	`ns92.worldnic.com, ns91.worldnic.com`
MX	1	`trefethenadvisors-com.mail.protection.ou`
TXT	3	`MS=ms31793370, google-site-verification=KgBjCn0JWn6hm5N...`
SOA	1	`NS91.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns91.worldnic.com, ns92.worldnic.com)

Analysis

IP Addresses

trefethenadvisors.com points to two IPs: 75.2.70.75 and 99.83.190.102.

Other host names including hanwoori.ca, spiekerinv.com, onairsystem.com, gorozen.com and tatemayo.com share IP numbers with trefethenadvisors.com.

Name Servers

trefethenadvisors.com's delegation uses two name servers, ns91.worldnic.com and ns92.worldnic.com.

trefethenadvisors.com shares the same name server setup as other domains, for example upole.net, kendrosrealty.com, swcat.net, baitinghollowcommons.com and dvxcm.com.

Host names with a single IP:

ns91.worldnic.com points to 162.159.26.217.

ns92.worldnic.com points to 162.159.27.155.

Mail Servers

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

Hostname trefethenadvisors-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c902::7, 2a01:111:f403:c922::, 2a01:111:f403:f902::2, 40.93.192.1, 52.101.11.3, 52.101.50.13 and 52.101.194.17.

trefethenadvisors.com - robtex.com