`smtselectubm.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cb65^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:2a55^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.85^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.101^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.42.85, 172.67.203.101
		IPv6 hints	2606:4700:3031::ac43:cb65, 2606:4700:3032::6815:2a55
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2409120511

`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=1784153852

Same first word

smtselectubm.com

DNS History

9 records (6 active, 3 former)

●NSns1.ubmdns.com2017-12-24 → 2026-07-15 · 2 obs

● 2017-12-24 07:24:04
● 2026-07-15 22:35:06

●NSns2.ubmdns.com2017-12-24 → 2026-07-15 · 2 obs

● 2017-12-24 07:24:04
● 2026-07-15 22:35:06

○MXmail1.ubm-us.net2017-12-24 → 2017-12-24 · 3 obs

● 2017-12-24 07:24:04
○ 2026-07-13 10:59:46
○ 2026-07-15 22:35:06

●A104.21.42.852026-07-13 → 2026-07-15 · 3 obs

○ 2017-12-24 07:24:04
● 2026-07-13 10:59:46
● 2026-07-15 22:35:06

●A172.67.203.1012026-07-13 → 2026-07-15 · 3 obs

○ 2017-12-24 07:24:04
● 2026-07-13 10:59:46
● 2026-07-15 22:35:06

○A192.155.48.932017-12-24 → 2017-12-24 · 3 obs

● 2017-12-24 07:24:04
○ 2026-07-13 10:59:46
○ 2026-07-15 22:35:06

●A2606:4700:3031::ac43:cb652026-07-13 → 2026-07-15 · 3 obs

○ 2017-12-24 07:24:04
● 2026-07-13 10:59:46
● 2026-07-15 22:35:06

●A2606:4700:3032::6815:2a552026-07-13 → 2026-07-15 · 3 obs

○ 2017-12-24 07:24:04
● 2026-07-13 10:59:46
● 2026-07-15 22:35:06

○A2620:103::192:155:48:932017-12-24 → 2017-12-24 · 3 obs

● 2017-12-24 07:24:04
○ 2026-07-13 10:59:46
○ 2026-07-15 22:35:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
smtselectubm.com	ns1.ubmdns.com, ns2.ubmdns.com	2 records

✅ Authoritative Response

Server:162.159.1.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 352ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.42.85, 172.67.203.101`
AAAA	2	`2606:4700:3031::ac43:cb65, 2606:4700:3032::6815:2a55`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)

Analysis

IP Addresses

smtselectubm.com resolves to four IP addresses: 104.21.42.85, 172.67.203.101, 2606:4700:3031::ac43:cb65 and 2606:4700:3032::6815:2a55.

Two other host names, along with sancayetano.tur.ar.cdn.cloudflare.net, cywacg.moe and dreamteamcleaning.us, also share IP numbers with smtselectubm.com.

Name Servers

smtselectubm.com is delegated to two name servers: ns1.ubmdns.com and ns2.ubmdns.com.

smtselectubm.com shares its NS records with other domains, for example furnitureshow.tv, customermanagement.co.uk, electronics-ne.net and two others.

ns1.ubmdns.com and ns2.ubmdns.com each resolve to two IP addresses: ns1.ubmdns.com points to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0, while ns2.ubmdns.com points to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.

smtselectubm.com - robtex.com