`subpostmaster.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::24e^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-024e.elastic-ssl.ui-r.com`
A	217.160.0.243^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1092.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:525c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.com`
		A	217.160.82.92^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.com`
NS	`ns1024.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5018:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1024.ui-dns.de`
		A	217.160.80.24^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1024.ui-dns.de`
NS	`ns1036.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5324:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.org`
		A	217.160.83.36^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.org`
NS	`ns1060.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:513c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1060.ui-dns.biz`
		A	217.160.81.60^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1060.ui-dns.biz`
MX	`subpostmaster-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::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
TXT	`google-site-verification=irfs-e6PpkXfCM9la5LkSgXT5txZjrONsJU-8Hg81fw`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1092.ui-dns.com`hostmaster@1and1.com 2017-05-09 #45

`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=1778616231

Same first word

subpostmaster.com

DNS History

21 records (7 active, 14 former)

○NSns-uk.1and1-dns.biz2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 10:49:58
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○NSns-uk.1and1-dns.co.uk2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 10:49:58
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○NSns-uk.1and1-dns.com2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 10:49:58
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○NSns-uk.1and1-dns.org2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 10:49:58
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

●NSns1024.ui-dns.de2026-05-12 → 2026-05-12 · 2 obs

○ 2017-09-29 19:07:28
● 2026-05-12 20:05:12

●NSns1036.ui-dns.org2026-05-12 → 2026-05-12 · 2 obs

○ 2017-09-29 19:07:28
● 2026-05-12 20:05:12

●NSns1060.ui-dns.biz2026-05-12 → 2026-05-12 · 2 obs

○ 2017-09-29 19:07:28
● 2026-05-12 20:05:12

○NSns1063.ui-dns.com2017-09-29 → 2017-09-29 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○NSns1065.ui-dns.de2017-09-29 → 2017-09-29 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○NSns1089.ui-dns.org2017-09-29 → 2017-09-29 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

●NSns1092.ui-dns.com2026-05-12 → 2026-05-12 · 2 obs

○ 2017-09-29 19:07:28
● 2026-05-12 20:05:12

○NSns1115.ui-dns.biz2017-09-29 → 2017-09-29 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○MXmx00.1and1.co.uk2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 10:49:58
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

○MXmx01.1and1.co.uk2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 10:49:58
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

●MXsubpostmaster-com.mail.protection.outlook.com2017-09-29 → 2026-05-12 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
● 2026-05-12 20:05:12

○A2001:8d8:1001:1522:e3ab:8043:bd84:78072015-06-05 → 2016-01-13 · 4 obs

● 2015-06-05 10:49:58
● 2016-01-13 18:38:14
○ 2016-04-11 02:17:32
○ 2026-05-12 20:05:12

○A2001:8d8:1001:532d:6d86:4845:36a3:98262016-04-11 → 2016-09-22 · 5 obs

○ 2016-01-13 18:38:14
● 2016-04-11 02:17:32
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

●A2001:8d8:100f:f000::24e2017-09-29 → 2026-05-12 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
● 2026-05-12 20:05:12

○A212.227.169.1902016-04-11 → 2016-09-22 · 5 obs

○ 2016-01-13 18:38:14
● 2016-04-11 02:17:32
● 2016-09-22 16:16:16
○ 2017-09-29 19:07:28
○ 2026-05-12 20:05:12

●A217.160.0.2432017-09-29 → 2026-05-12 · 3 obs

○ 2016-09-22 16:16:16
● 2017-09-29 19:07:28
● 2026-05-12 20:05:12

○A217.160.45.2042015-06-05 → 2016-01-13 · 4 obs

● 2015-06-05 10:49:58
● 2016-01-13 18:38:14
○ 2016-04-11 02:17:32
○ 2026-05-12 20:05:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...	-
subpostmaster.com	ns1024.ui-dns.de, ns1060.ui-dns.biz, ns1036.ui-dns.org, ns1092.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.92

NS records: ns1024.ui-dns.de, ns1060.ui-dns.biz, ns1036.ui-dns.org, ns1092.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for subpostmaster.com (unsigned zone)

⏱️ Timing

Total: 592ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.243`
AAAA	1	`2001:8d8:100f:f000::24e`
NS	4	`ns1060.ui-dns.biz, ns1024.ui-dns.de...`
MX	1	`subpostmaster-com.mail.protection.outloo`
TXT	2	`v=spf1 include:spf.protection.outlook.co, google-site-verification=irfs-e6PpkXfCM9`
SOA	1	`ns1092.ui-dns.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1092.ui-dns.com, ns1092.ui-dns.com)

Analysis

IP Addresses

subpostmaster.com resolves to two IP numbers: 2001:8d8:100f:f000::24e and 217.160.0.243.

Other host names, for instance nureinberg.de, salriera.es, wasserstoffperoxid-katalysatoren.de, starze.de and loeser.at share IP numbers with subpostmaster.com.

Name Servers

subpostmaster.com's delegation is handled by four name servers: ns1060.ui-dns.biz, ns1092.ui-dns.com, ns1024.ui-dns.de and ns1036.ui-dns.org.

subpostmaster.com partially shares name servers with other domains; examples include pharmtec.de, borosch-group.de, verstappen.eu, blaudoce.es and ps-joerg-steinhaeuser.de.

These name servers are commonly used alongside ns1036.ui-dns.biz, ns1036.ui-dns.com, ns1036.ui-dns.de, ns1024.ui-dns.biz, ns1024.ui-dns.org, ns1092.ui-dns.de, ns1024.ui-dns.com, ns1092.ui-dns.org, ns1092.ui-dns.biz and ns1060.ui-dns.org.

Host names with two IPs:

ns1060.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:513c:100 and 217.160.81.60

ns1092.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:525c:100 and 217.160.82.92

ns1024.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5018:100 and 217.160.80.24

ns1036.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5324:100 and 217.160.83.36

Mail Servers

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

Hostname subpostmaster-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::5, 52.101.68.5, 52.101.68.8, 52.101.68.16 and 52.101.73.8.

subpostmaster.com - robtex.com