el-stroem.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
blair.ns.cloudflare.com	108.162.194.121 162.159.38.121 172.64.34.121 2606:4700:50::a29f:2679 2803:f800:50::6ca2:c279 2a06:98c1:50::ac40:2279	blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com blair.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
frank.ns.cloudflare.com	108.162.193.166 172.64.33.166 173.245.59.166 2606:4700:58::adf5:3ba6 2803:f800:50::6ca2:c1a6 2a06:98c1:50::ac40:21a6	frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.89	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.104	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	elstroem-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.103.137 52.101.68.10 52.101.68.3 52.101.68.36	mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.177.104

🔷 AAAA Records (IPv6)2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:2b59	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b168	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.89,172.67.177.104 ech=AEX+DQBBvQAgACB4SPcxz5KHHzVyyFPVpPxrvPuCKEL4qa/NJEWvZ0EqUwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2b59,2606:4700:3035::ac43:b168

🔌 SRV Records1 records 51ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 140ms

TXT Record
v=spf1 a ip4:37.49.138.114 ip4:23.227.38.65 ip4:23.227.38.74 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (el-stroem.dk)
-all (hard fail)	v=spf1 a ip4:37.49.138.114 ip4:23.227.38.65 ip4:23.227.38.74 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.el-stroem.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC96ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413371583
Primary NS (MNAME)	blair.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

26ms

MX

26ms

AAAA

35ms

TXT

140ms

CAA

25ms

HTTPS

27ms

TLSA

311ms

SOA

0ms

MTA-STS

50ms

DNSSEC

96ms

SRV

51ms

Total

863ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 00:34:54	863ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-31 23:40:13	1706ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 15:11:45	10712ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 04:06:20	2877ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 20:10:12	2253ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 11:13:25	1814ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 13:10:00	1079ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 06:35:23	556ms	2 NS 2 A 1 MX	🔓 Insecure	View