`byebyeoffice.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3b2c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d5c9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.44^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.201^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cortney.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c057^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cortney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2057^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cortney.ns.cloudflare.com`
		A	108.162.192.87^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	172.64.32.87^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	173.245.58.87^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.59.44, 172.67.213.201
		IPv6	2606:4700:3032::6815:3b2c, 2606:4700:3033::ac43:d5c9
SOA	`cortney.ns.cloudflare.com`dns@cloudflare.com serial=2399147851

`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=1774369342

⚠️ On DNS blocklist: light, multi, pro, pro.plus, tif, ultimate

Same first word

byebyeoffice.com

DNS History

11 records (6 active, 5 former)

●NScortney.ns.cloudflare.com2026-03-20 → 2026-03-24 · 3 obs

○ 2017-11-01 11:13:02
● 2026-03-20 07:08:08
● 2026-03-24 16:48:38

○NSns63.domaincontrol.com2016-11-25 → 2017-11-01 · 4 obs

● 2016-11-25 15:32:30
● 2017-11-01 11:13:02
○ 2026-03-20 07:08:08
○ 2026-03-24 16:48:38

○NSns64.domaincontrol.com2016-11-25 → 2017-11-01 · 4 obs

● 2016-11-25 15:32:30
● 2017-11-01 11:13:02
○ 2026-03-20 07:08:08
○ 2026-03-24 16:48:38

●NStoby.ns.cloudflare.com2026-03-20 → 2026-03-24 · 3 obs

○ 2017-11-01 11:13:02
● 2026-03-20 07:08:08
● 2026-03-24 16:48:38

○MXmailstore1.secureserver.net2016-11-25 → 2017-11-01 · 4 obs

● 2016-11-25 15:32:30
● 2017-11-01 11:13:02
○ 2026-03-20 07:08:08
○ 2026-03-24 16:48:38

○MXsmtp.secureserver.net2016-11-25 → 2017-11-01 · 4 obs

● 2016-11-25 15:32:30
● 2017-11-01 11:13:02
○ 2026-03-20 07:08:08
○ 2026-03-24 16:48:38

●A104.21.59.442026-03-20 → 2026-03-24 · 3 obs

○ 2017-11-01 11:13:02
● 2026-03-20 07:08:08
● 2026-03-24 16:48:38

●A172.67.213.2012026-03-20 → 2026-03-24 · 3 obs

○ 2017-11-01 11:13:02
● 2026-03-20 07:08:08
● 2026-03-24 16:48:38

○A184.168.221.562016-11-25 → 2017-11-01 · 4 obs

● 2016-11-25 15:32:30
● 2017-11-01 11:13:02
○ 2026-03-20 07:08:08
○ 2026-03-24 16:48:38

●A2606:4700:3032::6815:3b2c2026-03-20 → 2026-03-24 · 3 obs

○ 2017-11-01 11:13:02
● 2026-03-20 07:08:08
● 2026-03-24 16:48:38

●A2606:4700:3033::ac43:d5c92026-03-20 → 2026-03-24 · 3 obs

○ 2017-11-01 11:13:02
● 2026-03-20 07:08:08
● 2026-03-24 16:48:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
byebyeoffice.com	cortney.ns.cloudflare.com, toby.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.87

NS records: cortney.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byebyeoffice.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.213.201, 104.21.59.44`
AAAA	2	`2606:4700:3033::ac43:d5c9, 2606:4700:3032::6815:3b2c`
NS	2	`cortney.ns.cloudflare.com, toby.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cortney.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

byebyeoffice.com maps to four IP numbers: 2606:4700:3032::6815:3b2c, 2606:4700:3033::ac43:d5c9, 104.21.59.44 and 172.67.213.201.

Other host names such as ackiliss.com, gandertv.com, dbhd.com.tw, betterbits.club and thefintechbuzz.com share IPs with byebyeoffice.com.

Name Servers

Two name servers cortney.ns.cloudflare.com and toby.ns.cloudflare.com handle the delegation for byebyeoffice.com.

byebyeoffice.com shares the same name server setup as other domains, for example konformance.com, dims.guru, abg-agent.com, mobicarrentals.com and nestmaven.com.

byebyeoffice.com at least partially shares name servers with other domains, for example gamifun.net, gransino.com, vanxuan.org, business-for-xenvora.pages.dev and super-chip.com.

Host names with six IP numbers:

cortney.ns.cloudflare.com points to 2606:4700:50::adf5:3a57, 2803:f800:50::6ca2:c057, 2a06:98c1:50::ac40:2057, 108.162.192.87, 172.64.32.87 and 173.245.58.87.

toby.ns.cloudflare.com points to 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

byebyeoffice.com - robtex.com