jernhegn.dk

📜 Historical scan 2026-06-27 04:13:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jernhegn.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.249 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by jernhegn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 230ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 250ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.249	600s	vps.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 230ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	jernhegn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.68.29 52.101.68.32 52.101.73.16 52.101.73.22	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	178.20.217.249

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 256ms

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

📝 TXT Records#

3 records 330ms

TXT Record
MS=ms77418595
v=spf1 +ip4:178.20.217.249 +include:spf.protection.outlook.com -all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (jernhegn.dk)
-all (hard fail)	v=spf1 +ip4:178.20.217.249 +include:spf.protection.outlook.com -all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 10:55:27

www	185.130.190.68 (AS210939) (address records, no CNAME)
www vs bare domain	Same network jernhegn.dk: 185.130.190.68 (AS210939) www.jernhegn.dk: 185.130.190.68 (AS210939)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

344ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

227ms

Field	Value
Serial	2025110601
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 02:40:56

Field	Value
Registrar	Simply.com A/S
Registered	2014-02-19
Expires	2027-02-28 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

230ms

250ms

230ms

AAAA

242ms

TXT

330ms

CAA

258ms

HTTPS

238ms

TLSA

364ms

SOA

227ms

MTA-STS

258ms

DNSSEC

344ms

SRV

256ms

Total

1695ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 10:50:40	1068ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 02:35:50	1269ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 04:13:26 shown	1695ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 19:49:24	905ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-23 18:04:03	1501ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:34:37	2730ms	4 NS 1 A 1 MX	🔒 Secure