sipstack.com - dns.ninja

`sipstack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3d4d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:cf62^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.77^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.98^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hassan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c395^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hassan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2395^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hassan.ns.cloudflare.com`
		A	108.162.195.149^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	162.159.44.149^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	172.64.35.149^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
NS	`magnolia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`magnolia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`magnolia.ns.cloudflare.com`
		A	108.162.194.214^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	162.159.38.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	172.64.34.214^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
MX	`postal.sipstack.com` ⭐
		A	2604:8380:2f00:b::3^{🇨🇦 HIVELOCITY-12604:8380:2f00::/40}
			PTR	`postal.sipstack.com`
		A	107.155.98.132^{🇨🇦 HIVELOCITY-1107.155.98.0/24 YZZ1 - Edge IP Assignment}
			PTR	`postal.sipstack.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.postal.sipstack.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.77, 172.67.207.98
		IPv6 hints	2606:4700:3030::6815:3d4d, 2606:4700:3032::ac43:cf62
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=6, name=cloudflare-ech.com
SOA	`hassan.ns.cloudflare.com`dns@cloudflare.com serial=2406963346

`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=1781517410

Subdomains

postal.sipstack.com

Same first word

sipstack.com

DNS History

31 records (7 active, 24 former)

●NShassan.ns.cloudflare.com2026-03-21 → 2026-06-15 · 3 obs

○ 2026-03-11 11:35:48
● 2026-03-21 23:20:28
● 2026-06-15 10:16:24

●NSmagnolia.ns.cloudflare.com2026-03-21 → 2026-06-15 · 3 obs

○ 2026-03-11 11:35:48
● 2026-03-21 23:20:28
● 2026-06-15 10:16:24

○NSns-1370.awsdns-43.org2026-02-23 → 2026-03-11 · 5 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
● 2026-03-11 11:35:48
○ 2026-03-21 23:20:28
○ 2026-06-15 10:16:24

○NSns-2023.awsdns-60.co.uk2026-02-23 → 2026-03-11 · 5 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
● 2026-03-11 11:35:48
○ 2026-03-21 23:20:28
○ 2026-06-15 10:16:24

○NSns-247.awsdns-30.com2026-02-23 → 2026-03-11 · 5 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
● 2026-03-11 11:35:48
○ 2026-03-21 23:20:28
○ 2026-06-15 10:16:24

○NSns-959.awsdns-55.net2026-02-23 → 2026-03-11 · 5 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
● 2026-03-11 11:35:48
○ 2026-03-21 23:20:28
○ 2026-06-15 10:16:24

○NSns-cloud-b1.googledomains.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○NSns-cloud-b2.googledomains.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○NSns-cloud-b3.googledomains.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○NSns-cloud-b4.googledomains.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○NSns1.dsredirection.com2015-11-07 → 2016-03-01 · 4 obs

● 2015-11-07 06:05:42
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

○NSns2.dsredirection.com2015-11-07 → 2016-03-01 · 4 obs

● 2015-11-07 06:05:42
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

○MXalt1.aspmx.l.google.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○MXalt2.aspmx.l.google.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○MXalt3.aspmx.l.google.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○MXalt4.aspmx.l.google.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○MXaspmx.l.google.com2016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

○MXmx.postal.ghostsyntax.com2026-02-23 → 2026-03-11 · 5 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
● 2026-03-11 11:35:48
○ 2026-03-21 23:20:28
○ 2026-06-15 10:16:24

○MXmxs1.serverhome.com2015-06-18 → 2016-03-01 · 4 obs

● 2015-06-18 11:48:00
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

○MXmxs2.serverhome.com2015-06-18 → 2016-03-01 · 4 obs

● 2015-06-18 11:48:00
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

●MXpostal.sipstack.com2026-02-23 → 2026-06-15 · 3 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
● 2026-06-15 10:16:24

●A104.21.61.772026-05-25 → 2026-06-15 · 3 obs

○ 2026-05-03 14:15:46
● 2026-05-25 18:01:04
● 2026-06-15 10:16:24

○A141.8.230.202015-06-18 → 2016-03-01 · 4 obs

● 2015-06-18 11:48:00
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

○A155.138.144.42026-02-23 → 2026-02-23 · 4 obs

○ 2016-07-02 20:02:20
● 2026-02-23 15:54:26
○ 2026-03-09 23:38:36
○ 2026-06-15 10:16:24

○A159.203.4.1492016-07-02 → 2016-07-02 · 4 obs

○ 2016-03-01 14:43:18
● 2016-07-02 20:02:20
○ 2026-02-23 15:54:26
○ 2026-06-15 10:16:24

●A172.67.207.982026-05-25 → 2026-06-15 · 3 obs

○ 2026-05-03 14:15:46
● 2026-05-25 18:01:04
● 2026-06-15 10:16:24

○A190.102.111.852026-03-09 → 2026-05-03 · 5 obs

○ 2026-02-23 15:54:26
● 2026-03-09 23:38:36
● 2026-05-03 14:15:46
○ 2026-05-25 18:01:04
○ 2026-06-15 10:16:24

●A2606:4700:3030::6815:3d4d2026-05-25 → 2026-06-15 · 3 obs

○ 2026-05-03 14:15:46
● 2026-05-25 18:01:04
● 2026-06-15 10:16:24

●A2606:4700:3032::ac43:cf622026-05-25 → 2026-06-15 · 3 obs

○ 2026-05-03 14:15:46
● 2026-05-25 18:01:04
● 2026-06-15 10:16:24

○CNAMEnews.serverhome.com2015-06-18 → 2016-03-01 · 4 obs

● 2015-06-18 11:48:00
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

○CNAMEthie5ku9.dsgeneration.com2015-11-07 → 2016-03-01 · 5 obs

○ 2015-06-18 11:48:00
● 2015-11-07 06:05:42
● 2016-03-01 14:43:18
○ 2016-07-02 20:02:20
○ 2026-06-15 10:16:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sipstack.com	magnolia.ns.cloudflare.com, hassan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.214

NS records: magnolia.ns.cloudflare.com, hassan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sipstack.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.207.98, 104.21.61.77`
AAAA	2	`2606:4700:3030::6815:3d4d, 2606:4700:3032::ac43:cf62`
NS	2	`hassan.ns.cloudflare.com, magnolia.ns.cloudflare.com`
MX	1	`postal.sipstack.com (pri: 0)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hassan.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

postal.sipstack.com is delegated beneath sipstack.com.

IP Addresses

sipstack.com directs to four IP numbers, which are 104.21.61.77, 172.67.207.98, 2606:4700:3030::6815:3d4d and 2606:4700:3032::ac43:cf62.

haltrip.com, scalarq.design, indwes.whdl.org and two other host names share IP numbers with sipstack.com.

Name Servers

sipstack.com uses two name servers for its delegation: hassan.ns.cloudflare.com and magnolia.ns.cloudflare.com.

sipstack.com uses the same name servers as several other domains — among them charismaproject.eu, fenicerus.ru, lakeviewprimitives.com and two more.

There is at least partial name server overlap between sipstack.com and other domains — arcinstall.com, chairid.go.th, buengsmk-sao.go.th and two more among them.

These name servers tend to appear in combination with the name servers donald.ns.cloudflare.com, elsa.ns.cloudflare.com, dan.ns.cloudflare.com and nola.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname hassan.ns.cloudflare.com directs to 108.162.195.149, 162.159.44.149 and 172.64.35.149 along with 3 other IP addresses.

Hostname magnolia.ns.cloudflare.com directs to 108.162.194.214, 162.159.38.214 and 172.64.34.214 along with 3 other IP addresses.

Mail Servers

Mail for sipstack.com is handled by a single mail server, postal.sipstack.com.

Some mail servers of sipstack.com are also used by other domains, notably telair.ca and telair.net.

These mail servers are routinely seen in conjunction with the mail servers telair-ca.mail.protection.outlook.com and telair-net.mail.protection.outlook.com.

postal.sipstack.com carries two IP numbers: 107.155.98.132 and 2604:8380:2f00:b::3.