`congress-compact.de`

DNSSEC	⚠️ Not signed
A	81.169.133.28^{🇩🇪 STRATO81.169.128.0/17 AG}
		PTR	`mail.cc2c.de`
NS	`ns4.stratoserver.net` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:32^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns4.stratoserver.net`
		A	217.160.80.159^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns4.stratoserver.net`
NS	`ns3.stratoserver.net`
		A	2607:f1c0:fe:53:185:132:34:159^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns3.stratoserver.net`
		A	185.132.34.159^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns3.stratoserver.net`
MX	`exchange.congress-compact.de` ⭐
		A	87.139.1.10^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`exchange.congress-compact.de`
TXT	`v=spf1 mx ip4:81.169.133.28 ip4:85.214.133.116 -all`
SOA	`ns4.stratoserver.net`hostmaster@strato-rz.de 2020-05-07 #47

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1776000584

Previously MX for

congress-compact.de

Subdomains

exchange.congress-compact.de

Same first word

congress-compact.de

DNS History

8 records (4 active, 4 former)

○NSns.stratoserver.net2015-07-10 → 2017-03-14 · 4 obs

● 2015-07-10 22:24:20
● 2017-03-14 11:07:42
○ 2026-03-26 12:03:20
○ 2026-04-12 13:55:20

○NSns2.stratoserver.net2015-07-10 → 2017-03-14 · 4 obs

● 2015-07-10 22:24:20
● 2017-03-14 11:07:42
○ 2026-03-26 12:03:20
○ 2026-04-12 13:55:20

●NSns3.stratoserver.net2026-03-26 → 2026-04-12 · 3 obs

○ 2017-03-14 11:07:42
● 2026-03-26 12:03:20
● 2026-04-12 13:55:20

●NSns4.stratoserver.net2026-03-26 → 2026-04-12 · 3 obs

○ 2017-03-14 11:07:42
● 2026-03-26 12:03:20
● 2026-04-12 13:55:20

○MXcongress-compact.de2015-07-10 → 2017-03-14 · 4 obs

● 2015-07-10 22:24:20
● 2017-03-14 11:07:42
○ 2026-03-26 12:03:20
○ 2026-04-12 13:55:20

●MXexchange.congress-compact.de2026-03-26 → 2026-04-12 · 3 obs

○ 2017-03-14 11:07:42
● 2026-03-26 12:03:20
● 2026-04-12 13:55:20

●A81.169.133.282016-06-28 → 2026-04-12 · 3 obs

○ 2016-02-25 05:00:28
● 2016-06-28 11:59:42
● 2026-04-12 13:55:20

○A85.214.133.1162015-07-10 → 2016-02-25 · 4 obs

● 2015-07-10 22:24:20
● 2016-02-25 05:00:28
○ 2016-06-28 11:59:42
○ 2026-04-12 13:55:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
congress-compact.de	ns3.stratoserver.net, ns4.stratoserver.net	-

✅ Authoritative Response

Server:185.132.34.159

NS records: ns3.stratoserver.net, ns4.stratoserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congress-compact.de (unsigned zone)

⏱️ Timing

Total: 807ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.133.28`
NS	2	`ns4.stratoserver.net, ns3.stratoserver.net`
MX	1	`exchange.congress-compact.de (pri: 10)`
TXT	1	`v=spf1 mx ip4:81.169.133.28 ip4:85.214.1`
SOA	1	`ns4.stratoserver.net hostmaster.strato-r`

Analysis

Hierarchy

congress-compact.de is a parent of exchange.congress-compact.de.

IP Addresses

congress-compact.de points to a single IP number: 81.169.133.28.

Other host names, for instance hygiene-europe.com, cc2c.de, herniasurgery.de, krankenhausinfektion.de and hueftsymposium.de share IP numbers with congress-compact.de.

Name Servers

Delegation for congress-compact.de rests with two name servers, ns3.stratoserver.net and ns4.stratoserver.net.

congress-compact.de shares the same name server setup as other domains, including elleundspeiche.de, cmw-tele.com, feuerwehr-hamm.de, baumgaertner.rocks and hellmar-becker.de.

Host names with two IP numbers: ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159; ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159.

Mail Servers

congress-compact.de is handled by a single mail server, exchange.congress-compact.de.

congress-compact.de uses the same mail server configuration as other domains, such as vdaepc.de, ruttkowski.com, krankenhaushygiene.de, technische-hygiene.de and berlin-shoulder-course.com.

exchange.congress-compact.de points to a single IP: 87.139.1.10.

congress-compact.de - robtex.com